/* * Copyright (C) 2011, Hewlett-Packard Development Company, L.P. * Author: Sebastian Dröge , Collabora Ltd. * Copyright (C) 2013, Collabora Ltd. * Author: Sebastian Dröge * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation * version 2.1 of the License. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #if defined (USE_OMX_TARGET_RPI) && defined(__GNUC__) #ifndef __VCCOREVER__ #define __VCCOREVER__ 0x04000000 #endif #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wredundant-decls" #pragma GCC optimize ("gnu89-inline") #endif #if defined (HAVE_GST_GL) #include #endif #if defined (USE_OMX_TARGET_RPI) && defined(__GNUC__) #pragma GCC reset_options #pragma GCC diagnostic pop #endif #include #include "gstomxbufferpool.h" #include "gstomxvideo.h" #include "gstomxvideodec.h" GST_DEBUG_CATEGORY_STATIC (gst_omx_video_dec_debug_category); #define GST_CAT_DEFAULT gst_omx_video_dec_debug_category /* prototypes */ static void gst_omx_video_dec_finalize (GObject * object); static GstStateChangeReturn gst_omx_video_dec_change_state (GstElement * element, GstStateChange transition); static gboolean gst_omx_video_dec_open (GstVideoDecoder * decoder); static gboolean gst_omx_video_dec_close (GstVideoDecoder * decoder); static gboolean gst_omx_video_dec_start (GstVideoDecoder * decoder); static gboolean gst_omx_video_dec_stop (GstVideoDecoder * decoder); static gboolean gst_omx_video_dec_set_format (GstVideoDecoder * decoder, GstVideoCodecState * state); static gboolean gst_omx_video_dec_flush (GstVideoDecoder * decoder); static GstFlowReturn gst_omx_video_dec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame); static GstFlowReturn gst_omx_video_dec_finish (GstVideoDecoder * decoder); static gboolean gst_omx_video_dec_decide_allocation (GstVideoDecoder * bdec, GstQuery * query); static GstFlowReturn gst_omx_video_dec_drain (GstVideoDecoder * decoder); static OMX_ERRORTYPE gst_omx_video_dec_allocate_output_buffers (GstOMXVideoDec * self); static OMX_ERRORTYPE gst_omx_video_dec_deallocate_output_buffers (GstOMXVideoDec * self); enum { PROP_0 }; /* class initialization */ #define DEBUG_INIT \ GST_DEBUG_CATEGORY_INIT (gst_omx_video_dec_debug_category, "omxvideodec", 0, \ "debug category for gst-omx video decoder base class"); G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstOMXVideoDec, gst_omx_video_dec, GST_TYPE_VIDEO_DECODER, DEBUG_INIT); static void gst_omx_video_dec_class_init (GstOMXVideoDecClass * klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstVideoDecoderClass *video_decoder_class = GST_VIDEO_DECODER_CLASS (klass); gobject_class->finalize = gst_omx_video_dec_finalize; element_class->change_state = GST_DEBUG_FUNCPTR (gst_omx_video_dec_change_state); video_decoder_class->open = GST_DEBUG_FUNCPTR (gst_omx_video_dec_open); video_decoder_class->close = GST_DEBUG_FUNCPTR (gst_omx_video_dec_close); video_decoder_class->start = GST_DEBUG_FUNCPTR (gst_omx_video_dec_start); video_decoder_class->stop = GST_DEBUG_FUNCPTR (gst_omx_video_dec_stop); video_decoder_class->flush = GST_DEBUG_FUNCPTR (gst_omx_video_dec_flush); video_decoder_class->set_format = GST_DEBUG_FUNCPTR (gst_omx_video_dec_set_format); video_decoder_class->handle_frame = GST_DEBUG_FUNCPTR (gst_omx_video_dec_handle_frame); video_decoder_class->finish = GST_DEBUG_FUNCPTR (gst_omx_video_dec_finish); video_decoder_class->drain = GST_DEBUG_FUNCPTR (gst_omx_video_dec_drain); video_decoder_class->decide_allocation = GST_DEBUG_FUNCPTR (gst_omx_video_dec_decide_allocation); klass->cdata.type = GST_OMX_COMPONENT_TYPE_FILTER; klass->cdata.default_src_template_caps = #if defined (HAVE_GST_GL) GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_GL_MEMORY, "RGBA") "; " #endif "video/x-raw, " "width = " GST_VIDEO_SIZE_RANGE ", " "height = " GST_VIDEO_SIZE_RANGE ", " "framerate = " GST_VIDEO_FPS_RANGE; } static void gst_omx_video_dec_init (GstOMXVideoDec * self) { self->dmabuf = FALSE; gst_video_decoder_set_packetized (GST_VIDEO_DECODER (self), TRUE); gst_video_decoder_set_use_default_pad_acceptcaps (GST_VIDEO_DECODER_CAST (self), TRUE); GST_PAD_SET_ACCEPT_TEMPLATE (GST_VIDEO_DECODER_SINK_PAD (self)); g_mutex_init (&self->drain_lock); g_cond_init (&self->drain_cond); } static gboolean gst_omx_video_dec_open (GstVideoDecoder * decoder) { GstOMXVideoDec *self = GST_OMX_VIDEO_DEC (decoder); GstOMXVideoDecClass *klass = GST_OMX_VIDEO_DEC_GET_CLASS (self); gint in_port_index, out_port_index; GST_DEBUG_OBJECT (self, "Opening decoder"); self->dec = gst_omx_component_new (GST_OBJECT_CAST (self), klass->cdata.core_name, klass->cdata.component_name, klass->cdata.component_role, klass->cdata.hacks); self->started = FALSE; if (!self->dec) return FALSE; if (gst_omx_component_get_state (self->dec, GST_CLOCK_TIME_NONE) != OMX_StateLoaded) return FALSE; in_port_index = klass->cdata.in_port_index; out_port_index = klass->cdata.out_port_index; if (in_port_index == -1 || out_port_index == -1) { OMX_PORT_PARAM_TYPE param; OMX_ERRORTYPE err; GST_OMX_INIT_STRUCT (¶m); err = gst_omx_component_get_parameter (self->dec, OMX_IndexParamVideoInit, ¶m); if (err != OMX_ErrorNone) { GST_WARNING_OBJECT (self, "Couldn't get port information: %s (0x%08x)", gst_omx_error_to_string (err), err); /* Fallback */ in_port_index = 0; out_port_index = 1; } else { GST_DEBUG_OBJECT (self, "Detected %u ports, starting at %u", (guint) param.nPorts, (guint) param.nStartPortNumber); in_port_index = param.nStartPortNumber + 0; out_port_index = param.nStartPortNumber + 1; } } self->dec_in_port = gst_omx_component_add_port (self->dec, in_port_index); self->dec_out_port = gst_omx_component_add_port (self->dec, out_port_index); #ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS { /* Configure OMX decoder to produce dmabuf */ OMX_ALG_PORT_PARAM_BUFFER_MODE buffer_mode; OMX_ERRORTYPE err; GST_OMX_INIT_STRUCT (&buffer_mode); buffer_mode.nPortIndex = self->dec_out_port->index; buffer_mode.eMode = OMX_ALG_BUF_DMA; GST_DEBUG_OBJECT (self, "Configure decoder to produce dmabuf"); err = gst_omx_component_set_parameter (self->dec, (OMX_INDEXTYPE) OMX_ALG_IndexPortParamBufferMode, &buffer_mode); if (err != OMX_ErrorNone) GST_WARNING_OBJECT (self, "Failed to set output buffer mode: %s (0x%08x)", gst_omx_error_to_string (err), err); else self->dmabuf = TRUE; } #endif if (!self->dec_in_port || !self->dec_out_port) return FALSE; GST_DEBUG_OBJECT (self, "Opened decoder"); #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) GST_DEBUG_OBJECT (self, "Opening EGL renderer"); self->egl_render = gst_omx_component_new (GST_OBJECT_CAST (self), klass->cdata.core_name, "OMX.broadcom.egl_render", NULL, klass->cdata.hacks); if (!self->egl_render) return FALSE; if (gst_omx_component_get_state (self->egl_render, GST_CLOCK_TIME_NONE) != OMX_StateLoaded) return FALSE; { OMX_PORT_PARAM_TYPE param; OMX_ERRORTYPE err; GST_OMX_INIT_STRUCT (¶m); err = gst_omx_component_get_parameter (self->egl_render, OMX_IndexParamVideoInit, ¶m); if (err != OMX_ErrorNone) { GST_WARNING_OBJECT (self, "Couldn't get port information: %s (0x%08x)", gst_omx_error_to_string (err), err); /* Fallback */ in_port_index = 0; out_port_index = 1; } else { GST_DEBUG_OBJECT (self, "Detected %u ports, starting at %u", param.nPorts, param.nStartPortNumber); in_port_index = param.nStartPortNumber + 0; out_port_index = param.nStartPortNumber + 1; } } self->egl_in_port = gst_omx_component_add_port (self->egl_render, in_port_index); self->egl_out_port = gst_omx_component_add_port (self->egl_render, out_port_index); if (!self->egl_in_port || !self->egl_out_port) return FALSE; GST_DEBUG_OBJECT (self, "Opened EGL renderer"); #endif return TRUE; } static gboolean gst_omx_video_dec_shutdown (GstOMXVideoDec * self) { OMX_STATETYPE state; GST_DEBUG_OBJECT (self, "Shutting down decoder"); #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) state = gst_omx_component_get_state (self->egl_render, 0); if (state > OMX_StateLoaded || state == OMX_StateInvalid) { if (state > OMX_StateIdle) { gst_omx_component_set_state (self->egl_render, OMX_StateIdle); gst_omx_component_set_state (self->dec, OMX_StateIdle); gst_omx_component_get_state (self->egl_render, 5 * GST_SECOND); gst_omx_component_get_state (self->dec, 1 * GST_SECOND); } gst_omx_component_set_state (self->egl_render, OMX_StateLoaded); gst_omx_component_set_state (self->dec, OMX_StateLoaded); gst_omx_port_deallocate_buffers (self->dec_in_port); gst_omx_video_dec_deallocate_output_buffers (self); gst_omx_close_tunnel (self->dec_out_port, self->egl_in_port); if (state > OMX_StateLoaded) { gst_omx_component_get_state (self->egl_render, 5 * GST_SECOND); gst_omx_component_get_state (self->dec, 1 * GST_SECOND); } } /* Otherwise we didn't use EGL and just fall back to * shutting down the decoder */ #endif state = gst_omx_component_get_state (self->dec, 0); if (state > OMX_StateLoaded || state == OMX_StateInvalid) { if (state > OMX_StateIdle) { gst_omx_component_set_state (self->dec, OMX_StateIdle); gst_omx_component_get_state (self->dec, 5 * GST_SECOND); } gst_omx_component_set_state (self->dec, OMX_StateLoaded); gst_omx_port_deallocate_buffers (self->dec_in_port); gst_omx_video_dec_deallocate_output_buffers (self); if (state > OMX_StateLoaded) gst_omx_component_get_state (self->dec, 5 * GST_SECOND); } return TRUE; } static gboolean gst_omx_video_dec_close (GstVideoDecoder * decoder) { GstOMXVideoDec *self = GST_OMX_VIDEO_DEC (decoder); GST_DEBUG_OBJECT (self, "Closing decoder"); if (!gst_omx_video_dec_shutdown (self)) return FALSE; self->dec_in_port = NULL; self->dec_out_port = NULL; if (self->dec) gst_omx_component_free (self->dec); self->dec = NULL; #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) self->egl_in_port = NULL; self->egl_out_port = NULL; if (self->egl_render) gst_omx_component_free (self->egl_render); self->egl_render = NULL; #endif self->started = FALSE; GST_DEBUG_OBJECT (self, "Closed decoder"); return TRUE; } static void gst_omx_video_dec_finalize (GObject * object) { GstOMXVideoDec *self = GST_OMX_VIDEO_DEC (object); g_mutex_clear (&self->drain_lock); g_cond_clear (&self->drain_cond); G_OBJECT_CLASS (gst_omx_video_dec_parent_class)->finalize (object); } static GstStateChangeReturn gst_omx_video_dec_change_state (GstElement * element, GstStateChange transition) { GstOMXVideoDec *self; GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; g_return_val_if_fail (GST_IS_OMX_VIDEO_DEC (element), GST_STATE_CHANGE_FAILURE); self = GST_OMX_VIDEO_DEC (element); switch (transition) { case GST_STATE_CHANGE_NULL_TO_READY: break; case GST_STATE_CHANGE_READY_TO_PAUSED: self->downstream_flow_ret = GST_FLOW_OK; self->draining = FALSE; self->started = FALSE; self->use_buffers = FALSE; break; case GST_STATE_CHANGE_PAUSED_TO_PLAYING: break; case GST_STATE_CHANGE_PAUSED_TO_READY: if (self->dec_in_port) gst_omx_port_set_flushing (self->dec_in_port, 5 * GST_SECOND, TRUE); if (self->dec_out_port) gst_omx_port_set_flushing (self->dec_out_port, 5 * GST_SECOND, TRUE); #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) if (self->egl_in_port) gst_omx_port_set_flushing (self->egl_in_port, 5 * GST_SECOND, TRUE); if (self->egl_out_port) gst_omx_port_set_flushing (self->egl_out_port, 5 * GST_SECOND, TRUE); #endif g_mutex_lock (&self->drain_lock); self->draining = FALSE; g_cond_broadcast (&self->drain_cond); g_mutex_unlock (&self->drain_lock); break; default: break; } ret = GST_ELEMENT_CLASS (gst_omx_video_dec_parent_class)->change_state (element, transition); if (ret == GST_STATE_CHANGE_FAILURE) return ret; switch (transition) { case GST_STATE_CHANGE_PLAYING_TO_PAUSED: break; case GST_STATE_CHANGE_PAUSED_TO_READY: self->downstream_flow_ret = GST_FLOW_FLUSHING; self->started = FALSE; if (!gst_omx_video_dec_shutdown (self)) ret = GST_STATE_CHANGE_FAILURE; break; case GST_STATE_CHANGE_READY_TO_NULL: break; default: break; } return ret; } static gboolean gst_omx_video_dec_fill_buffer (GstOMXVideoDec * self, GstOMXBuffer * inbuf, GstBuffer * outbuf) { GstVideoCodecState *state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (self)); GstVideoInfo *vinfo = &state->info; OMX_PARAM_PORTDEFINITIONTYPE *port_def = &self->dec_out_port->port_def; gboolean ret = FALSE; GstVideoFrame frame; if (vinfo->width != port_def->format.video.nFrameWidth || vinfo->height != port_def->format.video.nFrameHeight) { GST_ERROR_OBJECT (self, "Resolution do not match: port=%ux%u vinfo=%dx%d", (guint) port_def->format.video.nFrameWidth, (guint) port_def->format.video.nFrameHeight, vinfo->width, vinfo->height); goto done; } /* Same strides and everything */ if (gst_buffer_get_size (outbuf) == inbuf->omx_buf->nFilledLen) { GstMapInfo map = GST_MAP_INFO_INIT; if (!gst_buffer_map (outbuf, &map, GST_MAP_WRITE)) { GST_ERROR_OBJECT (self, "Failed to map output buffer"); goto done; } memcpy (map.data, inbuf->omx_buf->pBuffer + inbuf->omx_buf->nOffset, inbuf->omx_buf->nFilledLen); gst_buffer_unmap (outbuf, &map); ret = TRUE; goto done; } /* Different strides */ if (gst_video_frame_map (&frame, vinfo, outbuf, GST_MAP_WRITE)) { const guint nstride = port_def->format.video.nStride; const guint nslice = port_def->format.video.nSliceHeight; guint src_stride[GST_VIDEO_MAX_PLANES] = { nstride, 0, }; guint src_size[GST_VIDEO_MAX_PLANES] = { nstride * nslice, 0, }; gint dst_width[GST_VIDEO_MAX_PLANES] = { 0, }; gint dst_height[GST_VIDEO_MAX_PLANES] = { GST_VIDEO_INFO_HEIGHT (vinfo), 0, }; const guint8 *src; guint p; switch (GST_VIDEO_INFO_FORMAT (vinfo)) { case GST_VIDEO_FORMAT_ABGR: case GST_VIDEO_FORMAT_ARGB: dst_width[0] = GST_VIDEO_INFO_WIDTH (vinfo) * 4; break; case GST_VIDEO_FORMAT_RGB16: case GST_VIDEO_FORMAT_BGR16: case GST_VIDEO_FORMAT_YUY2: case GST_VIDEO_FORMAT_UYVY: case GST_VIDEO_FORMAT_YVYU: dst_width[0] = GST_VIDEO_INFO_WIDTH (vinfo) * 2; break; case GST_VIDEO_FORMAT_GRAY8: dst_width[0] = GST_VIDEO_INFO_WIDTH (vinfo); break; case GST_VIDEO_FORMAT_I420: dst_width[0] = GST_VIDEO_INFO_WIDTH (vinfo); src_stride[1] = nstride / 2; src_size[1] = (src_stride[1] * nslice) / 2; dst_width[1] = GST_VIDEO_INFO_WIDTH (vinfo) / 2; dst_height[1] = GST_VIDEO_INFO_HEIGHT (vinfo) / 2; src_stride[2] = nstride / 2; src_size[2] = (src_stride[1] * nslice) / 2; dst_width[2] = GST_VIDEO_INFO_WIDTH (vinfo) / 2; dst_height[2] = GST_VIDEO_INFO_HEIGHT (vinfo) / 2; break; case GST_VIDEO_FORMAT_NV12: dst_width[0] = GST_VIDEO_INFO_WIDTH (vinfo); src_stride[1] = nstride; src_size[1] = src_stride[1] * nslice / 2; dst_width[1] = GST_VIDEO_INFO_WIDTH (vinfo); dst_height[1] = GST_VIDEO_INFO_HEIGHT (vinfo) / 2; break; case GST_VIDEO_FORMAT_NV16: dst_width[0] = GST_VIDEO_INFO_WIDTH (vinfo); src_stride[1] = nstride; src_size[1] = src_stride[1] * nslice; dst_width[1] = GST_VIDEO_INFO_WIDTH (vinfo); dst_height[1] = GST_VIDEO_INFO_HEIGHT (vinfo); break; default: g_assert_not_reached (); break; } src = inbuf->omx_buf->pBuffer + inbuf->omx_buf->nOffset; for (p = 0; p < GST_VIDEO_INFO_N_PLANES (vinfo); p++) { const guint8 *data; guint8 *dst; guint h; dst = GST_VIDEO_FRAME_PLANE_DATA (&frame, p); data = src; for (h = 0; h < dst_height[p]; h++) { memcpy (dst, data, dst_width[p]); dst += GST_VIDEO_FRAME_PLANE_STRIDE (&frame, p); data += src_stride[p]; } src += src_size[p]; } gst_video_frame_unmap (&frame); ret = TRUE; } else { GST_ERROR_OBJECT (self, "Can't map output buffer to frame"); goto done; } done: if (ret) { GST_BUFFER_PTS (outbuf) = gst_util_uint64_scale (GST_OMX_GET_TICKS (inbuf->omx_buf->nTimeStamp), GST_SECOND, OMX_TICKS_PER_SECOND); if (inbuf->omx_buf->nTickCount != 0) GST_BUFFER_DURATION (outbuf) = gst_util_uint64_scale (inbuf->omx_buf->nTickCount, GST_SECOND, OMX_TICKS_PER_SECOND); } gst_video_codec_state_unref (state); return ret; } static OMX_ERRORTYPE gst_omx_video_dec_allocate_output_buffers (GstOMXVideoDec * self) { OMX_ERRORTYPE err = OMX_ErrorNone; GstOMXPort *port; GstBufferPool *pool; GstStructure *config; gboolean eglimage = FALSE, add_videometa = FALSE; GstCaps *caps = NULL; guint min = 0, max = 0; GstVideoCodecState *state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (self)); #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) port = self->eglimage ? self->egl_out_port : self->dec_out_port; #else port = self->dec_out_port; #endif pool = gst_video_decoder_get_buffer_pool (GST_VIDEO_DECODER (self)); if (pool) { GstAllocator *allocator; config = gst_buffer_pool_get_config (pool); if (!gst_buffer_pool_config_get_params (config, &caps, NULL, &min, &max)) { GST_ERROR_OBJECT (self, "Can't get buffer pool params"); gst_structure_free (config); err = OMX_ErrorUndefined; goto done; } if (!gst_buffer_pool_config_get_allocator (config, &allocator, NULL)) { GST_ERROR_OBJECT (self, "Can't get buffer pool allocator"); gst_structure_free (config); err = OMX_ErrorUndefined; goto done; } /* Need at least 4 buffers for anything meaningful */ min = MAX (min + port->port_def.nBufferCountMin, 4); if (max == 0) { max = min; } else if (max < min) { /* Can't use pool because can't have enough buffers */ gst_caps_replace (&caps, NULL); } else { min = max; } add_videometa = gst_buffer_pool_config_has_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META); gst_structure_free (config); #if defined (HAVE_GST_GL) eglimage = self->eglimage && (allocator && GST_IS_GL_MEMORY_EGL_ALLOCATOR (allocator)); #else eglimage = FALSE; #endif caps = caps ? gst_caps_ref (caps) : NULL; GST_DEBUG_OBJECT (self, "Trying to use pool %p with caps %" GST_PTR_FORMAT " and memory type %s", pool, caps, (allocator ? allocator->mem_type : "(null)")); } else { gst_caps_replace (&caps, NULL); min = max = port->port_def.nBufferCountMin; GST_DEBUG_OBJECT (self, "No pool available, not negotiated yet"); } #if defined (HAVE_GST_GL) /* Will retry without EGLImage */ if (self->eglimage && !eglimage) { GST_DEBUG_OBJECT (self, "Wanted to use EGLImage but downstream doesn't support it"); err = OMX_ErrorUndefined; goto done; } #endif if (caps) self->out_port_pool = gst_omx_buffer_pool_new (GST_ELEMENT_CAST (self), self->dec, port, self->dmabuf); #if defined (HAVE_GST_GL) if (eglimage) { GList *buffers = NULL; GList *images = NULL; gint i; GstBufferPoolAcquireParams params = { 0, }; EGLDisplay egl_display = 0; GST_DEBUG_OBJECT (self, "Trying to allocate %d EGLImages", min); for (i = 0; i < min; i++) { GstBuffer *buffer = NULL; GstMemory *mem; GstGLMemoryEGL *gl_mem; if (gst_buffer_pool_acquire_buffer (pool, &buffer, ¶ms) != GST_FLOW_OK || gst_buffer_n_memory (buffer) != 1 || !(mem = gst_buffer_peek_memory (buffer, 0)) || !GST_IS_GL_MEMORY_EGL_ALLOCATOR (mem->allocator)) { GST_INFO_OBJECT (self, "Failed to allocated %d-th EGLImage", i); gst_buffer_replace (&buffer, NULL); g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref); g_list_free (images); buffers = NULL; images = NULL; err = OMX_ErrorUndefined; goto done; } gl_mem = (GstGLMemoryEGL *) mem; buffers = g_list_append (buffers, buffer); images = g_list_append (images, gst_gl_memory_egl_get_image (gl_mem)); if (!egl_display) egl_display = gst_gl_memory_egl_get_display (gl_mem); } GST_DEBUG_OBJECT (self, "Allocated %d EGLImages successfully", min); /* Everything went fine? */ if (eglimage) { GST_DEBUG_OBJECT (self, "Setting EGLDisplay"); port->port_def.format.video.pNativeWindow = egl_display; err = gst_omx_port_update_port_definition (port, &port->port_def); if (err != OMX_ErrorNone) { GST_INFO_OBJECT (self, "Failed to set EGLDisplay on port: %s (0x%08x)", gst_omx_error_to_string (err), err); g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref); g_list_free (images); goto done; } else { GList *l; if (min != port->port_def.nBufferCountActual) { err = gst_omx_port_update_port_definition (port, NULL); if (err == OMX_ErrorNone) { port->port_def.nBufferCountActual = min; err = gst_omx_port_update_port_definition (port, &port->port_def); } if (err != OMX_ErrorNone) { GST_INFO_OBJECT (self, "Failed to configure %u output buffers: %s (0x%08x)", min, gst_omx_error_to_string (err), err); g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref); g_list_free (images); goto done; } #if OMX_VERSION_MINOR == 2 /* In OMX-IL 1.2.0, the nBufferCountActual change is propagated to the * the input port upon call to the SetParameter on out port above. This * propagation triggers a SettingsChanged event. It is up to the client * to decide if this event should lead to reconfigure the port. Here * this is clearly informal so lets just acknowledge the event to avoid * input port reconfiguration. Note that the SettingsChanged event will * be sent in-context of the SetParameter call above. So the event is * garantie to be proceeded in the handle_message call below. */ err = gst_omx_port_mark_reconfigured (self->dec_in_port); if (err != OMX_ErrorNone) { GST_ERROR_OBJECT (self, "Failed to acknowledge port settings changed: %s (0x%08x)", gst_omx_error_to_string (err), err); g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref); g_list_free (images); goto done; } #endif } if (!gst_omx_port_is_enabled (port)) { err = gst_omx_port_set_enabled (port, TRUE); if (err != OMX_ErrorNone) { GST_INFO_OBJECT (self, "Failed to enable port: %s (0x%08x)", gst_omx_error_to_string (err), err); g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref); g_list_free (images); goto done; } } err = gst_omx_port_use_eglimages (port, images); g_list_free (images); if (err != OMX_ErrorNone) { GST_INFO_OBJECT (self, "Failed to pass EGLImages to port: %s (0x%08x)", gst_omx_error_to_string (err), err); g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref); goto done; } err = gst_omx_port_wait_enabled (port, 2 * GST_SECOND); if (err != OMX_ErrorNone) { GST_INFO_OBJECT (self, "Failed to wait until port is enabled: %s (0x%08x)", gst_omx_error_to_string (err), err); g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref); goto done; } GST_DEBUG_OBJECT (self, "Populating internal buffer pool"); GST_OMX_BUFFER_POOL (self->out_port_pool)->other_pool = GST_BUFFER_POOL (gst_object_ref (pool)); for (l = buffers; l; l = l->next) { g_ptr_array_add (GST_OMX_BUFFER_POOL (self->out_port_pool)->buffers, l->data); } g_list_free (buffers); /* All good and done, set caps below */ } } } #endif /* defined (HAVE_GST_GL) */ /* If not using EGLImage or trying to use EGLImage failed */ if (!eglimage) { gboolean was_enabled = TRUE; GList *buffers = NULL; GList *l = NULL; if (min != port->port_def.nBufferCountActual) { err = gst_omx_port_update_port_definition (port, NULL); if (err == OMX_ErrorNone) { port->port_def.nBufferCountActual = min; err = gst_omx_port_update_port_definition (port, &port->port_def); } if (err != OMX_ErrorNone) { GST_ERROR_OBJECT (self, "Failed to configure %u output buffers: %s (0x%08x)", min, gst_omx_error_to_string (err), err); goto done; } #if OMX_VERSION_MINOR == 2 /* In OMX-IL 1.2.0, the nBufferCountActual change is propagated to the * the input port upon call to the SetParameter on out port above. This * propagation triggers a SettingsChanged event. It is up to the client * to decide if this event should lead to reconfigure the port. Here * this is clearly informal so lets just acknowledge the event to avoid * input port reconfiguration. Note that the SettingsChanged event will * be sent in-context of the SetParameter call above. So the event is * garantie to be proceeded in the handle_message call below. */ err = gst_omx_port_mark_reconfigured (self->dec_in_port); if (err != OMX_ErrorNone) { GST_ERROR_OBJECT (self, "Failed to acknowledge port settings changed: %s (0x%08x)", gst_omx_error_to_string (err), err); goto done; } #endif } if (!gst_omx_port_is_enabled (port)) { err = gst_omx_port_set_enabled (port, TRUE); if (err != OMX_ErrorNone) { GST_INFO_OBJECT (self, "Failed to enable port: %s (0x%08x)", gst_omx_error_to_string (err), err); goto done; } was_enabled = FALSE; } if (self->use_buffers) { GList *images = NULL; GList *frames = NULL; GstVideoInfo v_info; gint i; GstBufferPoolAcquireParams params = { 0, }; if (!gst_video_info_from_caps (&v_info, caps)) { GST_INFO_OBJECT (self, "Failed to get video info from caps %" GST_PTR_FORMAT, caps); err = OMX_ErrorUndefined; self->use_buffers = FALSE; } GST_DEBUG_OBJECT (self, "Trying to use %d buffers", min); for (i = 0; i < min && self->use_buffers; i++) { GstBuffer *buffer = NULL; GstMemory *mem = NULL; GstVideoFrame *frame = g_slice_new0 (GstVideoFrame); GstMapFlags flags = GST_MAP_WRITE | GST_VIDEO_FRAME_MAP_FLAG_NO_REF; gboolean is_mapped = FALSE; if (gst_buffer_pool_acquire_buffer (pool, &buffer, ¶ms) != GST_FLOW_OK || gst_buffer_n_memory (buffer) != 1 || !(mem = gst_buffer_peek_memory (buffer, 0)) || !(is_mapped = gst_video_frame_map (frame, &v_info, buffer, flags)) || GST_VIDEO_FRAME_SIZE (frame) < port->port_def.nBufferSize) { /* buffer does not match minimal requirement to try OMX_UseBuffer */ GST_INFO_OBJECT (self, "Failed to allocated %d-th buffer of type %s, n_mem: %d, " "is mapped: %d, frame size: %" G_GSIZE_FORMAT, i, mem ? mem->allocator->mem_type : "(null)", buffer ? gst_buffer_n_memory (buffer) : -1, is_mapped, is_mapped ? GST_VIDEO_FRAME_SIZE (frame) : 0); if (is_mapped) gst_video_frame_unmap (frame); g_slice_free (GstVideoFrame, frame); gst_buffer_replace (&buffer, NULL); g_list_free (images); g_list_free_full (frames, (GDestroyNotify) gst_video_frame_unmap); g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref); buffers = NULL; images = NULL; err = OMX_ErrorUndefined; self->use_buffers = FALSE; break; } else { /* if downstream pool is 1 n_mem then always try to use buffers * and retry without using them if it fails */ buffers = g_list_append (buffers, buffer); frames = g_list_append (frames, frame); images = g_list_append (images, GST_VIDEO_FRAME_PLANE_DATA (frame, 0)); } } /* buffers match minimal requirements then * now try to actually use them */ if (images) { err = gst_omx_port_use_buffers (port, images); g_list_free (images); g_list_free_full (frames, (GDestroyNotify) gst_video_frame_unmap); if (err == OMX_ErrorNone) { GST_DEBUG_OBJECT (self, "Using %d buffers", min); } else { GST_INFO_OBJECT (self, "Failed to OMX_UseBuffer on port: %s (0x%08x)", gst_omx_error_to_string (err), err); g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref); self->use_buffers = FALSE; } } } if (!self->use_buffers) err = gst_omx_port_allocate_buffers (port); if (err != OMX_ErrorNone && min > port->port_def.nBufferCountMin) { GST_ERROR_OBJECT (self, "Failed to allocate required number of buffers %d, trying less and copying", min); min = port->port_def.nBufferCountMin; if (!was_enabled) { err = gst_omx_port_set_enabled (port, FALSE); if (err != OMX_ErrorNone) { GST_INFO_OBJECT (self, "Failed to disable port again: %s (0x%08x)", gst_omx_error_to_string (err), err); goto done; } } if (min != port->port_def.nBufferCountActual) { err = gst_omx_port_update_port_definition (port, NULL); if (err == OMX_ErrorNone) { port->port_def.nBufferCountActual = min; err = gst_omx_port_update_port_definition (port, &port->port_def); } if (err != OMX_ErrorNone) { GST_ERROR_OBJECT (self, "Failed to configure %u output buffers: %s (0x%08x)", min, gst_omx_error_to_string (err), err); goto done; } } err = gst_omx_port_allocate_buffers (port); /* Can't provide buffers downstream in this case */ gst_caps_replace (&caps, NULL); } if (err != OMX_ErrorNone) { GST_ERROR_OBJECT (self, "Failed to allocate %d buffers: %s (0x%08x)", min, gst_omx_error_to_string (err), err); goto done; } if (!was_enabled) { err = gst_omx_port_wait_enabled (port, 2 * GST_SECOND); if (err != OMX_ErrorNone) { GST_ERROR_OBJECT (self, "Failed to wait until port is enabled: %s (0x%08x)", gst_omx_error_to_string (err), err); goto done; } } if (self->use_buffers) { GST_DEBUG_OBJECT (self, "Populating internal buffer pool"); GST_OMX_BUFFER_POOL (self->out_port_pool)->other_pool = GST_BUFFER_POOL (gst_object_ref (pool)); for (l = buffers; l; l = l->next) { g_ptr_array_add (GST_OMX_BUFFER_POOL (self->out_port_pool)->buffers, l->data); } g_list_free (buffers); } } err = OMX_ErrorNone; if (caps) { config = gst_buffer_pool_get_config (self->out_port_pool); if (add_videometa) gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META); gst_buffer_pool_config_set_params (config, caps, self->dec_out_port->port_def.nBufferSize, min, max); if (!gst_buffer_pool_set_config (self->out_port_pool, config)) { GST_INFO_OBJECT (self, "Failed to set config on internal pool"); gst_object_unref (self->out_port_pool); self->out_port_pool = NULL; goto done; } GST_OMX_BUFFER_POOL (self->out_port_pool)->allocating = TRUE; /* This now allocates all the buffers */ if (!gst_buffer_pool_set_active (self->out_port_pool, TRUE)) { GST_INFO_OBJECT (self, "Failed to activate internal pool"); gst_object_unref (self->out_port_pool); self->out_port_pool = NULL; } else { GST_OMX_BUFFER_POOL (self->out_port_pool)->allocating = FALSE; } } else if (self->out_port_pool) { gst_object_unref (self->out_port_pool); self->out_port_pool = NULL; } done: if (!self->out_port_pool && err == OMX_ErrorNone) GST_DEBUG_OBJECT (self, "Not using our internal pool and copying buffers for downstream"); if (caps) gst_caps_unref (caps); if (pool) gst_object_unref (pool); if (state) gst_video_codec_state_unref (state); return err; } static OMX_ERRORTYPE gst_omx_video_dec_deallocate_output_buffers (GstOMXVideoDec * self) { OMX_ERRORTYPE err; if (self->out_port_pool) { gst_buffer_pool_set_active (self->out_port_pool, FALSE); #if 0 gst_buffer_pool_wait_released (self->out_port_pool); #endif GST_OMX_BUFFER_POOL (self->out_port_pool)->deactivated = TRUE; gst_object_unref (self->out_port_pool); self->out_port_pool = NULL; } #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) err = gst_omx_port_deallocate_buffers (self->eglimage ? self-> egl_out_port : self->dec_out_port); #else err = gst_omx_port_deallocate_buffers (self->dec_out_port); #endif return err; } static OMX_ERRORTYPE gst_omx_video_dec_reconfigure_output_port (GstOMXVideoDec * self) { GstOMXPort *port; OMX_ERRORTYPE err; GstVideoCodecState *state; OMX_PARAM_PORTDEFINITIONTYPE port_def; GstVideoFormat format; /* At this point the decoder output port is disabled */ #if defined (HAVE_GST_GL) { #if defined (USE_OMX_TARGET_RPI) OMX_STATETYPE egl_state; #endif if (self->eglimage) { /* Nothing to do here, we could however fall back to non-EGLImage in theory */ #if defined (USE_OMX_TARGET_RPI) port = self->egl_out_port; #else port = self->dec_out_port; #endif err = OMX_ErrorNone; goto enable_port; } else { /* Set up egl_render */ self->eglimage = TRUE; gst_omx_port_get_port_definition (self->dec_out_port, &port_def); GST_VIDEO_DECODER_STREAM_LOCK (self); state = gst_video_decoder_set_output_state (GST_VIDEO_DECODER (self), GST_VIDEO_FORMAT_RGBA, port_def.format.video.nFrameWidth, port_def.format.video.nFrameHeight, self->input_state); /* at this point state->caps is NULL */ if (state->caps) gst_caps_unref (state->caps); state->caps = gst_video_info_to_caps (&state->info); gst_caps_set_features (state->caps, 0, gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_GL_MEMORY, NULL)); /* try to negotiate with caps feature */ if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) { GST_DEBUG_OBJECT (self, "Failed to negotiate with feature %s", GST_CAPS_FEATURE_MEMORY_GL_MEMORY); if (state->caps) gst_caps_replace (&state->caps, NULL); #if defined (USE_OMX_TARGET_RPI) /* fallback: try to use EGLImage even if it is not in the caps feature */ if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) { gst_video_codec_state_unref (state); GST_DEBUG_OBJECT (self, "Failed to negotiate RGBA for EGLImage"); GST_VIDEO_DECODER_STREAM_UNLOCK (self); goto no_egl; } #else GST_VIDEO_DECODER_STREAM_UNLOCK (self); goto no_egl; #endif } gst_video_codec_state_unref (state); GST_VIDEO_DECODER_STREAM_UNLOCK (self); #if defined (USE_OMX_TARGET_RPI) /* Now link it all together */ err = gst_omx_port_set_enabled (self->egl_in_port, FALSE); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_port_wait_enabled (self->egl_in_port, 1 * GST_SECOND); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_port_set_enabled (self->egl_out_port, FALSE); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_port_wait_enabled (self->egl_out_port, 1 * GST_SECOND); if (err != OMX_ErrorNone) goto no_egl; { #define OMX_IndexParamBrcmVideoEGLRenderDiscardMode 0x7f0000db OMX_CONFIG_PORTBOOLEANTYPE discardMode; memset (&discardMode, 0, sizeof (discardMode)); discardMode.nSize = sizeof (discardMode); discardMode.nPortIndex = 220; discardMode.nVersion.nVersion = OMX_VERSION; discardMode.bEnabled = OMX_FALSE; if (gst_omx_component_set_parameter (self->egl_render, OMX_IndexParamBrcmVideoEGLRenderDiscardMode, &discardMode) != OMX_ErrorNone) goto no_egl; #undef OMX_IndexParamBrcmVideoEGLRenderDiscardMode } err = gst_omx_setup_tunnel (self->dec_out_port, self->egl_in_port); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_port_set_enabled (self->egl_in_port, TRUE); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_component_set_state (self->egl_render, OMX_StateIdle); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_port_wait_enabled (self->egl_in_port, 1 * GST_SECOND); if (err != OMX_ErrorNone) goto no_egl; if (gst_omx_component_get_state (self->egl_render, GST_CLOCK_TIME_NONE) != OMX_StateIdle) goto no_egl; err = gst_omx_video_dec_allocate_output_buffers (self); if (err != OMX_ErrorNone) goto no_egl; if (gst_omx_component_set_state (self->egl_render, OMX_StateExecuting) != OMX_ErrorNone) goto no_egl; if (gst_omx_component_get_state (self->egl_render, GST_CLOCK_TIME_NONE) != OMX_StateExecuting) goto no_egl; err = gst_omx_port_set_flushing (self->dec_out_port, 5 * GST_SECOND, FALSE); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_port_set_flushing (self->egl_in_port, 5 * GST_SECOND, FALSE); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_port_set_flushing (self->egl_out_port, 5 * GST_SECOND, FALSE); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_port_populate (self->egl_out_port); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_port_set_enabled (self->dec_out_port, TRUE); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_port_wait_enabled (self->dec_out_port, 1 * GST_SECOND); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_port_mark_reconfigured (self->dec_out_port); if (err != OMX_ErrorNone) goto no_egl; err = gst_omx_port_mark_reconfigured (self->egl_out_port); if (err != OMX_ErrorNone) goto no_egl; goto done; #else port = self->dec_out_port; err = OMX_ErrorNone; goto enable_port; #endif /* defined (USE_OMX_TARGET_RPI) */ } no_egl: #if defined (USE_OMX_TARGET_RPI) gst_omx_port_set_enabled (self->dec_out_port, FALSE); gst_omx_port_wait_enabled (self->dec_out_port, 1 * GST_SECOND); egl_state = gst_omx_component_get_state (self->egl_render, 0); if (egl_state > OMX_StateLoaded || egl_state == OMX_StateInvalid) { if (egl_state > OMX_StateIdle) { gst_omx_component_set_state (self->egl_render, OMX_StateIdle); gst_omx_component_get_state (self->egl_render, 5 * GST_SECOND); } gst_omx_component_set_state (self->egl_render, OMX_StateLoaded); gst_omx_video_dec_deallocate_output_buffers (self); gst_omx_close_tunnel (self->dec_out_port, self->egl_in_port); if (egl_state > OMX_StateLoaded) { gst_omx_component_get_state (self->egl_render, 5 * GST_SECOND); } } #endif /* After this egl_render should be deactivated * and the decoder's output port disabled */ self->eglimage = FALSE; } #endif /* defined (HAVE_GST_GL) */ port = self->dec_out_port; /* Update caps */ GST_VIDEO_DECODER_STREAM_LOCK (self); gst_omx_port_get_port_definition (port, &port_def); g_assert (port_def.format.video.eCompressionFormat == OMX_VIDEO_CodingUnused); format = gst_omx_video_get_format_from_omx (port_def.format.video.eColorFormat); if (format == GST_VIDEO_FORMAT_UNKNOWN) { GST_ERROR_OBJECT (self, "Unsupported color format: %d", port_def.format.video.eColorFormat); GST_VIDEO_DECODER_STREAM_UNLOCK (self); err = OMX_ErrorUndefined; goto done; } GST_DEBUG_OBJECT (self, "Setting output state: format %s (%d), width %u, height %u", gst_video_format_to_string (format), port_def.format.video.eColorFormat, (guint) port_def.format.video.nFrameWidth, (guint) port_def.format.video.nFrameHeight); state = gst_video_decoder_set_output_state (GST_VIDEO_DECODER (self), format, port_def.format.video.nFrameWidth, port_def.format.video.nFrameHeight, self->input_state); if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) { gst_video_codec_state_unref (state); GST_ERROR_OBJECT (self, "Failed to negotiate"); err = OMX_ErrorUndefined; GST_VIDEO_DECODER_STREAM_UNLOCK (self); goto done; } gst_video_codec_state_unref (state); GST_VIDEO_DECODER_STREAM_UNLOCK (self); #if defined (HAVE_GST_GL) enable_port: #endif err = gst_omx_video_dec_allocate_output_buffers (self); if (err != OMX_ErrorNone) { #if defined (HAVE_GST_GL) /* TODO: works on desktop but need to try on RPI. */ #if !defined (USE_OMX_TARGET_RPI) if (self->eglimage) { GST_INFO_OBJECT (self, "Fallback to non eglimage"); goto no_egl; } #endif #endif goto done; } err = gst_omx_port_populate (port); if (err != OMX_ErrorNone) goto done; err = gst_omx_port_mark_reconfigured (port); if (err != OMX_ErrorNone) goto done; done: return err; } static void gst_omx_video_dec_clean_older_frames (GstOMXVideoDec * self, GstOMXBuffer * buf, GList * frames) { GList *l; GstClockTime timestamp; timestamp = gst_util_uint64_scale (GST_OMX_GET_TICKS (buf->omx_buf->nTimeStamp), GST_SECOND, OMX_TICKS_PER_SECOND); if (GST_CLOCK_TIME_IS_VALID (timestamp)) { /* We could release all frames stored with pts < timestamp since the * decoder will likely output frames in display order */ for (l = frames; l; l = l->next) { GstVideoCodecFrame *tmp = l->data; if (tmp->pts < timestamp) { gst_video_decoder_release_frame (GST_VIDEO_DECODER (self), tmp); GST_LOG_OBJECT (self, "discarding ghost frame %p (#%d) PTS:%" GST_TIME_FORMAT " DTS:%" GST_TIME_FORMAT, tmp, tmp->system_frame_number, GST_TIME_ARGS (tmp->pts), GST_TIME_ARGS (tmp->dts)); } else { gst_video_codec_frame_unref (tmp); } } } else { /* We will release all frames with invalid timestamp because we don't even * know if they will be output some day. */ for (l = frames; l; l = l->next) { GstVideoCodecFrame *tmp = l->data; if (!GST_CLOCK_TIME_IS_VALID (tmp->pts)) { gst_video_decoder_release_frame (GST_VIDEO_DECODER (self), tmp); GST_LOG_OBJECT (self, "discarding frame %p (#%d) with invalid PTS:%" GST_TIME_FORMAT " DTS:%" GST_TIME_FORMAT, tmp, tmp->system_frame_number, GST_TIME_ARGS (tmp->pts), GST_TIME_ARGS (tmp->dts)); } else { gst_video_codec_frame_unref (tmp); } } } g_list_free (frames); } static GstBuffer * copy_frame (const GstVideoInfo * info, GstBuffer * outbuf) { GstVideoInfo out_info, tmp_info; GstBuffer *tmpbuf; GstVideoFrame out_frame, tmp_frame; out_info = *info; tmp_info = *info; tmpbuf = gst_buffer_new_and_alloc (out_info.size); gst_video_frame_map (&out_frame, &out_info, outbuf, GST_MAP_READ); gst_video_frame_map (&tmp_frame, &tmp_info, tmpbuf, GST_MAP_WRITE); gst_video_frame_copy (&tmp_frame, &out_frame); gst_video_frame_unmap (&out_frame); gst_video_frame_unmap (&tmp_frame); gst_buffer_unref (outbuf); return tmpbuf; } static void gst_omx_video_dec_loop (GstOMXVideoDec * self) { GstOMXPort *port; GstOMXBuffer *buf = NULL; GstVideoCodecFrame *frame; GstFlowReturn flow_ret = GST_FLOW_OK; GstOMXAcquireBufferReturn acq_return; GstClockTimeDiff deadline; OMX_ERRORTYPE err; #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) port = self->eglimage ? self->egl_out_port : self->dec_out_port; #else port = self->dec_out_port; #endif acq_return = gst_omx_port_acquire_buffer (port, &buf); if (acq_return == GST_OMX_ACQUIRE_BUFFER_ERROR) { goto component_error; } else if (acq_return == GST_OMX_ACQUIRE_BUFFER_FLUSHING) { goto flushing; } else if (acq_return == GST_OMX_ACQUIRE_BUFFER_EOS) { goto eos; } if (!gst_pad_has_current_caps (GST_VIDEO_DECODER_SRC_PAD (self)) || acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) { GstVideoCodecState *state; OMX_PARAM_PORTDEFINITIONTYPE port_def; GstVideoFormat format; GST_DEBUG_OBJECT (self, "Port settings have changed, updating caps"); /* Reallocate all buffers */ if (acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE && gst_omx_port_is_enabled (port)) { err = gst_omx_port_set_enabled (port, FALSE); if (err != OMX_ErrorNone) goto reconfigure_error; err = gst_omx_port_wait_buffers_released (port, 5 * GST_SECOND); if (err != OMX_ErrorNone) goto reconfigure_error; err = gst_omx_video_dec_deallocate_output_buffers (self); if (err != OMX_ErrorNone) goto reconfigure_error; err = gst_omx_port_wait_enabled (port, 1 * GST_SECOND); if (err != OMX_ErrorNone) goto reconfigure_error; } if (acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) { /* We have the possibility to reconfigure everything now */ err = gst_omx_video_dec_reconfigure_output_port (self); if (err != OMX_ErrorNone) goto reconfigure_error; } else { /* Just update caps */ GST_VIDEO_DECODER_STREAM_LOCK (self); gst_omx_port_get_port_definition (port, &port_def); g_assert (port_def.format.video.eCompressionFormat == OMX_VIDEO_CodingUnused); format = gst_omx_video_get_format_from_omx (port_def.format.video. eColorFormat); if (format == GST_VIDEO_FORMAT_UNKNOWN) { GST_ERROR_OBJECT (self, "Unsupported color format: %d", port_def.format.video.eColorFormat); if (buf) gst_omx_port_release_buffer (port, buf); GST_VIDEO_DECODER_STREAM_UNLOCK (self); goto caps_failed; } GST_DEBUG_OBJECT (self, "Setting output state: format %s (%d), width %u, height %u", gst_video_format_to_string (format), port_def.format.video.eColorFormat, (guint) port_def.format.video.nFrameWidth, (guint) port_def.format.video.nFrameHeight); state = gst_video_decoder_set_output_state (GST_VIDEO_DECODER (self), format, port_def.format.video.nFrameWidth, port_def.format.video.nFrameHeight, self->input_state); /* Take framerate and pixel-aspect-ratio from sinkpad caps */ if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self))) { if (buf) gst_omx_port_release_buffer (port, buf); gst_video_codec_state_unref (state); goto caps_failed; } gst_video_codec_state_unref (state); GST_VIDEO_DECODER_STREAM_UNLOCK (self); } /* Now get a buffer */ if (acq_return != GST_OMX_ACQUIRE_BUFFER_OK) { return; } } g_assert (acq_return == GST_OMX_ACQUIRE_BUFFER_OK); /* This prevents a deadlock between the srcpad stream * lock and the videocodec stream lock, if ::reset() * is called at the wrong time */ if (gst_omx_port_is_flushing (port)) { GST_DEBUG_OBJECT (self, "Flushing"); gst_omx_port_release_buffer (port, buf); goto flushing; } GST_DEBUG_OBJECT (self, "Handling buffer: 0x%08x %" G_GUINT64_FORMAT, (guint) buf->omx_buf->nFlags, (guint64) GST_OMX_GET_TICKS (buf->omx_buf->nTimeStamp)); GST_VIDEO_DECODER_STREAM_LOCK (self); frame = gst_omx_video_find_nearest_frame (buf, gst_video_decoder_get_frames (GST_VIDEO_DECODER (self))); /* So we have a timestamped OMX buffer and get, or not, corresponding frame. * Assuming decoder output frames in display order, frames preceding this * frame could be discarded as they seems useless due to e.g interlaced * stream, corrupted input data... * In any cases, not likely to be seen again. so drop it before they pile up * and use all the memory. */ gst_omx_video_dec_clean_older_frames (self, buf, gst_video_decoder_get_frames (GST_VIDEO_DECODER (self))); if (frame && (deadline = gst_video_decoder_get_max_decode_time (GST_VIDEO_DECODER (self), frame)) < 0) { GST_WARNING_OBJECT (self, "Frame is too late, dropping (deadline %" GST_TIME_FORMAT ")", GST_TIME_ARGS (-deadline)); flow_ret = gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame); frame = NULL; } else if (!frame && (buf->omx_buf->nFilledLen > 0 || buf->eglimage)) { GstBuffer *outbuf = NULL; /* This sometimes happens at EOS or if the input is not properly framed, * let's handle it gracefully by allocating a new buffer for the current * caps and filling it */ GST_ERROR_OBJECT (self, "No corresponding frame found"); if (self->out_port_pool) { gint i, n; GstBufferPoolAcquireParams params = { 0, }; n = port->buffers->len; for (i = 0; i < n; i++) { GstOMXBuffer *tmp = g_ptr_array_index (port->buffers, i); if (tmp == buf) break; } g_assert (i != n); GST_OMX_BUFFER_POOL (self->out_port_pool)->current_buffer_index = i; flow_ret = gst_buffer_pool_acquire_buffer (self->out_port_pool, &outbuf, ¶ms); if (flow_ret != GST_FLOW_OK) { gst_omx_port_release_buffer (port, buf); goto invalid_buffer; } if (GST_OMX_BUFFER_POOL (self->out_port_pool)->need_copy) outbuf = copy_frame (&GST_OMX_BUFFER_POOL (self->out_port_pool)->video_info, outbuf); buf = NULL; } else { outbuf = gst_video_decoder_allocate_output_buffer (GST_VIDEO_DECODER (self)); if (!gst_omx_video_dec_fill_buffer (self, buf, outbuf)) { gst_buffer_unref (outbuf); gst_omx_port_release_buffer (port, buf); goto invalid_buffer; } } flow_ret = gst_pad_push (GST_VIDEO_DECODER_SRC_PAD (self), outbuf); } else if (buf->omx_buf->nFilledLen > 0 || buf->eglimage) { if (self->out_port_pool) { gint i, n; GstBuffer *outbuf; GstBufferPoolAcquireParams params = { 0, }; n = port->buffers->len; for (i = 0; i < n; i++) { GstOMXBuffer *tmp = g_ptr_array_index (port->buffers, i); if (tmp == buf) break; } g_assert (i != n); GST_OMX_BUFFER_POOL (self->out_port_pool)->current_buffer_index = i; flow_ret = gst_buffer_pool_acquire_buffer (self->out_port_pool, &outbuf, ¶ms); if (flow_ret != GST_FLOW_OK) { flow_ret = gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame); frame = NULL; gst_omx_port_release_buffer (port, buf); goto invalid_buffer; } if (GST_OMX_BUFFER_POOL (self->out_port_pool)->need_copy) outbuf = copy_frame (&GST_OMX_BUFFER_POOL (self->out_port_pool)->video_info, outbuf); frame->output_buffer = outbuf; flow_ret = gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame); frame = NULL; buf = NULL; } else { if ((flow_ret = gst_video_decoder_allocate_output_frame (GST_VIDEO_DECODER (self), frame)) == GST_FLOW_OK) { /* FIXME: This currently happens because of a race condition too. * We first need to reconfigure the output port and then the input * port if both need reconfiguration. */ if (!gst_omx_video_dec_fill_buffer (self, buf, frame->output_buffer)) { gst_buffer_replace (&frame->output_buffer, NULL); flow_ret = gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame); frame = NULL; gst_omx_port_release_buffer (port, buf); goto invalid_buffer; } flow_ret = gst_video_decoder_finish_frame (GST_VIDEO_DECODER (self), frame); frame = NULL; } } } else if (frame != NULL) { flow_ret = gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame); frame = NULL; } GST_DEBUG_OBJECT (self, "Read frame from component"); GST_DEBUG_OBJECT (self, "Finished frame: %s", gst_flow_get_name (flow_ret)); if (buf) { err = gst_omx_port_release_buffer (port, buf); if (err != OMX_ErrorNone) goto release_error; } self->downstream_flow_ret = flow_ret; if (flow_ret != GST_FLOW_OK) goto flow_error; GST_VIDEO_DECODER_STREAM_UNLOCK (self); return; component_error: { GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL), ("OpenMAX component in error state %s (0x%08x)", gst_omx_component_get_last_error_string (self->dec), gst_omx_component_get_last_error (self->dec))); gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self)); self->downstream_flow_ret = GST_FLOW_ERROR; self->started = FALSE; return; } flushing: { GST_DEBUG_OBJECT (self, "Flushing -- stopping task"); g_mutex_lock (&self->drain_lock); if (self->draining) { self->draining = FALSE; g_cond_broadcast (&self->drain_cond); } gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self)); self->downstream_flow_ret = GST_FLOW_FLUSHING; self->started = FALSE; g_mutex_unlock (&self->drain_lock); return; } eos: { g_mutex_lock (&self->drain_lock); if (self->draining) { GstQuery *query = gst_query_new_drain (); /* Drain the pipeline to reclaim all memories back to the pool */ if (!gst_pad_peer_query (GST_VIDEO_DECODER_SRC_PAD (self), query)) GST_DEBUG_OBJECT (self, "drain query failed"); gst_query_unref (query); GST_DEBUG_OBJECT (self, "Drained"); self->draining = FALSE; g_cond_broadcast (&self->drain_cond); flow_ret = GST_FLOW_OK; gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self)); } else { GST_DEBUG_OBJECT (self, "Component signalled EOS"); flow_ret = GST_FLOW_EOS; } g_mutex_unlock (&self->drain_lock); GST_VIDEO_DECODER_STREAM_LOCK (self); self->downstream_flow_ret = flow_ret; /* Here we fallback and pause the task for the EOS case */ if (flow_ret != GST_FLOW_OK) goto flow_error; GST_VIDEO_DECODER_STREAM_UNLOCK (self); return; } flow_error: { if (flow_ret == GST_FLOW_EOS) { GST_DEBUG_OBJECT (self, "EOS"); gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self)); self->started = FALSE; } else if (flow_ret < GST_FLOW_EOS) { GST_ELEMENT_ERROR (self, STREAM, FAILED, ("Internal data stream error."), ("stream stopped, reason %s", gst_flow_get_name (flow_ret))); gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self)); self->started = FALSE; } else if (flow_ret == GST_FLOW_FLUSHING) { GST_DEBUG_OBJECT (self, "Flushing -- stopping task"); g_mutex_lock (&self->drain_lock); if (self->draining) { self->draining = FALSE; g_cond_broadcast (&self->drain_cond); } gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self)); self->started = FALSE; g_mutex_unlock (&self->drain_lock); } GST_VIDEO_DECODER_STREAM_UNLOCK (self); return; } reconfigure_error: { GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Unable to reconfigure output port")); gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self)); self->downstream_flow_ret = GST_FLOW_ERROR; self->started = FALSE; return; } invalid_buffer: { GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Invalid sized input buffer")); gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self)); self->downstream_flow_ret = GST_FLOW_NOT_NEGOTIATED; self->started = FALSE; GST_VIDEO_DECODER_STREAM_UNLOCK (self); return; } caps_failed: { GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Failed to set caps")); gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self)); GST_VIDEO_DECODER_STREAM_UNLOCK (self); self->downstream_flow_ret = GST_FLOW_NOT_NEGOTIATED; self->started = FALSE; return; } release_error: { GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Failed to relase output buffer to component: %s (0x%08x)", gst_omx_error_to_string (err), err)); gst_pad_push_event (GST_VIDEO_DECODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_DECODER_SRC_PAD (self)); self->downstream_flow_ret = GST_FLOW_ERROR; self->started = FALSE; GST_VIDEO_DECODER_STREAM_UNLOCK (self); return; } } static gboolean gst_omx_video_dec_start (GstVideoDecoder * decoder) { GstOMXVideoDec *self; self = GST_OMX_VIDEO_DEC (decoder); self->last_upstream_ts = 0; self->downstream_flow_ret = GST_FLOW_OK; self->use_buffers = FALSE; return TRUE; } static gboolean gst_omx_video_dec_stop (GstVideoDecoder * decoder) { GstOMXVideoDec *self; self = GST_OMX_VIDEO_DEC (decoder); GST_DEBUG_OBJECT (self, "Stopping decoder"); gst_omx_port_set_flushing (self->dec_in_port, 5 * GST_SECOND, TRUE); gst_omx_port_set_flushing (self->dec_out_port, 5 * GST_SECOND, TRUE); #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) gst_omx_port_set_flushing (self->egl_in_port, 5 * GST_SECOND, TRUE); gst_omx_port_set_flushing (self->egl_out_port, 5 * GST_SECOND, TRUE); #endif gst_pad_stop_task (GST_VIDEO_DECODER_SRC_PAD (decoder)); if (gst_omx_component_get_state (self->dec, 0) > OMX_StateIdle) gst_omx_component_set_state (self->dec, OMX_StateIdle); #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) if (gst_omx_component_get_state (self->egl_render, 0) > OMX_StateIdle) gst_omx_component_set_state (self->egl_render, OMX_StateIdle); #endif self->downstream_flow_ret = GST_FLOW_FLUSHING; self->started = FALSE; g_mutex_lock (&self->drain_lock); self->draining = FALSE; g_cond_broadcast (&self->drain_cond); g_mutex_unlock (&self->drain_lock); gst_omx_component_get_state (self->dec, 5 * GST_SECOND); #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) gst_omx_component_get_state (self->egl_render, 1 * GST_SECOND); #endif gst_buffer_replace (&self->codec_data, NULL); if (self->input_state) gst_video_codec_state_unref (self->input_state); self->input_state = NULL; GST_DEBUG_OBJECT (self, "Stopped decoder"); return TRUE; } static gboolean gst_omx_video_dec_negotiate (GstOMXVideoDec * self) { OMX_VIDEO_PARAM_PORTFORMATTYPE param; OMX_ERRORTYPE err; GstCaps *comp_supported_caps; GList *negotiation_map = NULL, *l; GstCaps *templ_caps, *intersection; GstVideoFormat format; GstStructure *s; const gchar *format_str; GST_DEBUG_OBJECT (self, "Trying to negotiate a video format with downstream"); templ_caps = gst_pad_get_pad_template_caps (GST_VIDEO_DECODER_SRC_PAD (self)); intersection = gst_pad_peer_query_caps (GST_VIDEO_DECODER_SRC_PAD (self), templ_caps); gst_caps_unref (templ_caps); GST_DEBUG_OBJECT (self, "Allowed downstream caps: %" GST_PTR_FORMAT, intersection); negotiation_map = gst_omx_video_get_supported_colorformats (self->dec_out_port, self->input_state); comp_supported_caps = gst_omx_video_get_caps_for_map (negotiation_map); if (!gst_caps_is_empty (comp_supported_caps)) { GstCaps *tmp; tmp = gst_caps_intersect (comp_supported_caps, intersection); gst_caps_unref (intersection); intersection = tmp; } gst_caps_unref (comp_supported_caps); if (gst_caps_is_empty (intersection)) { gst_caps_unref (intersection); GST_ERROR_OBJECT (self, "Empty caps"); g_list_free_full (negotiation_map, (GDestroyNotify) gst_omx_video_negotiation_map_free); return FALSE; } intersection = gst_caps_truncate (intersection); intersection = gst_caps_fixate (intersection); s = gst_caps_get_structure (intersection, 0); format_str = gst_structure_get_string (s, "format"); if (!format_str || (format = gst_video_format_from_string (format_str)) == GST_VIDEO_FORMAT_UNKNOWN) { GST_ERROR_OBJECT (self, "Invalid caps: %" GST_PTR_FORMAT, intersection); gst_caps_unref (intersection); g_list_free_full (negotiation_map, (GDestroyNotify) gst_omx_video_negotiation_map_free); return FALSE; } GST_OMX_INIT_STRUCT (¶m); param.nPortIndex = self->dec_out_port->index; for (l = negotiation_map; l; l = l->next) { GstOMXVideoNegotiationMap *m = l->data; if (m->format == format) { param.eColorFormat = m->type; break; } } GST_DEBUG_OBJECT (self, "Negotiating color format %s (%d)", format_str, param.eColorFormat); /* We must find something here */ g_assert (l != NULL); g_list_free_full (negotiation_map, (GDestroyNotify) gst_omx_video_negotiation_map_free); err = gst_omx_component_set_parameter (self->dec, OMX_IndexParamVideoPortFormat, ¶m); if (err != OMX_ErrorNone) { GST_ERROR_OBJECT (self, "Failed to set video port format: %s (0x%08x)", gst_omx_error_to_string (err), err); } gst_caps_unref (intersection); return (err == OMX_ErrorNone); } #ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS static void gst_omx_video_dec_set_latency (GstOMXVideoDec * self) { GstClockTime latency; OMX_ALG_PARAM_REPORTED_LATENCY param; OMX_ERRORTYPE err; GST_OMX_INIT_STRUCT (¶m); err = gst_omx_component_get_parameter (self->dec, (OMX_INDEXTYPE) OMX_ALG_IndexParamReportedLatency, ¶m); if (err != OMX_ErrorNone) { GST_WARNING_OBJECT (self, "Couldn't retrieve latency: %s (0x%08x)", gst_omx_error_to_string (err), err); return; } GST_DEBUG_OBJECT (self, "retrieved latency of %d ms", (guint32) param.nLatency); /* Convert to ns */ latency = param.nLatency * GST_MSECOND; gst_video_decoder_set_latency (GST_VIDEO_DECODER (self), latency, latency); } #endif static gboolean gst_omx_video_dec_disable (GstOMXVideoDec * self) { GstOMXVideoDecClass *klass = GST_OMX_VIDEO_DEC_GET_CLASS (self); #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) GstOMXPort *out_port = self->eglimage ? self->egl_out_port : self->dec_out_port; #else GstOMXPort *out_port = self->dec_out_port; #endif GST_DEBUG_OBJECT (self, "Need to disable and drain decoder"); gst_omx_video_dec_drain (GST_VIDEO_DECODER (self)); gst_omx_port_set_flushing (out_port, 5 * GST_SECOND, TRUE); if (klass->cdata.hacks & GST_OMX_HACK_NO_COMPONENT_RECONFIGURE) { GST_VIDEO_DECODER_STREAM_UNLOCK (self); gst_omx_video_dec_stop (GST_VIDEO_DECODER (self)); gst_omx_video_dec_close (GST_VIDEO_DECODER (self)); GST_VIDEO_DECODER_STREAM_LOCK (self); if (!gst_omx_video_dec_open (GST_VIDEO_DECODER (self))) return FALSE; self->disabled = FALSE; } else { #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) if (self->eglimage) { gst_omx_port_set_flushing (self->dec_in_port, 5 * GST_SECOND, TRUE); gst_omx_port_set_flushing (self->dec_out_port, 5 * GST_SECOND, TRUE); gst_omx_port_set_flushing (self->egl_in_port, 5 * GST_SECOND, TRUE); gst_omx_port_set_flushing (self->egl_out_port, 5 * GST_SECOND, TRUE); } #endif /* Disabling at the same time input port and output port is only * required when a buffer is shared between the ports. This cannot * be the case for a decoder because its input and output buffers * are of different nature. So let's disable ports sequencially. * Starting from IL 1.2.0, this point has been clarified. * OMX_SendCommand will return an error if the IL client attempts to * call it when there is already an on-going command being processed. * The exception is for buffer sharing above and the event * OMX_EventPortNeedsDisable will be sent to request disabling the * other port at the same time. */ if (gst_omx_port_set_enabled (self->dec_in_port, FALSE) != OMX_ErrorNone) return FALSE; if (gst_omx_port_wait_buffers_released (self->dec_in_port, 5 * GST_SECOND) != OMX_ErrorNone) return FALSE; if (gst_omx_port_deallocate_buffers (self->dec_in_port) != OMX_ErrorNone) return FALSE; if (gst_omx_port_wait_enabled (self->dec_in_port, 1 * GST_SECOND) != OMX_ErrorNone) return FALSE; if (gst_omx_port_set_enabled (out_port, FALSE) != OMX_ErrorNone) return FALSE; if (gst_omx_port_wait_buffers_released (out_port, 1 * GST_SECOND) != OMX_ErrorNone) return FALSE; if (gst_omx_video_dec_deallocate_output_buffers (self) != OMX_ErrorNone) return FALSE; if (gst_omx_port_wait_enabled (out_port, 1 * GST_SECOND) != OMX_ErrorNone) return FALSE; #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) if (self->eglimage) { OMX_STATETYPE egl_state; egl_state = gst_omx_component_get_state (self->egl_render, 0); if (egl_state > OMX_StateLoaded || egl_state == OMX_StateInvalid) { if (egl_state > OMX_StateIdle) { gst_omx_component_set_state (self->egl_render, OMX_StateIdle); gst_omx_component_set_state (self->dec, OMX_StateIdle); egl_state = gst_omx_component_get_state (self->egl_render, 5 * GST_SECOND); gst_omx_component_get_state (self->dec, 1 * GST_SECOND); } gst_omx_component_set_state (self->egl_render, OMX_StateLoaded); gst_omx_component_set_state (self->dec, OMX_StateLoaded); gst_omx_close_tunnel (self->dec_out_port, self->egl_in_port); if (egl_state > OMX_StateLoaded) { gst_omx_component_get_state (self->egl_render, 5 * GST_SECOND); } gst_omx_component_set_state (self->dec, OMX_StateIdle); gst_omx_component_set_state (self->dec, OMX_StateExecuting); gst_omx_component_get_state (self->dec, GST_CLOCK_TIME_NONE); } self->eglimage = FALSE; } #endif self->disabled = TRUE; } if (self->input_state) gst_video_codec_state_unref (self->input_state); self->input_state = NULL; GST_DEBUG_OBJECT (self, "Decoder drained and disabled"); return TRUE; } static gboolean gst_omx_video_dec_enable (GstOMXVideoDec * self) { GstOMXVideoDecClass *klass = GST_OMX_VIDEO_DEC_GET_CLASS (self); GST_DEBUG_OBJECT (self, "Enabling component"); if (self->disabled) { if (gst_omx_port_set_enabled (self->dec_in_port, TRUE) != OMX_ErrorNone) return FALSE; if (gst_omx_port_allocate_buffers (self->dec_in_port) != OMX_ErrorNone) return FALSE; if ((klass->cdata.hacks & GST_OMX_HACK_NO_DISABLE_OUTPORT)) { if (gst_omx_port_set_enabled (self->dec_out_port, TRUE) != OMX_ErrorNone) return FALSE; if (gst_omx_port_allocate_buffers (self->dec_out_port) != OMX_ErrorNone) return FALSE; if (gst_omx_port_wait_enabled (self->dec_out_port, 5 * GST_SECOND) != OMX_ErrorNone) return FALSE; } if (gst_omx_port_wait_enabled (self->dec_in_port, 5 * GST_SECOND) != OMX_ErrorNone) return FALSE; if (gst_omx_port_mark_reconfigured (self->dec_in_port) != OMX_ErrorNone) return FALSE; } else { if (!gst_omx_video_dec_negotiate (self)) GST_LOG_OBJECT (self, "Negotiation failed, will get output format later"); if (!(klass->cdata.hacks & GST_OMX_HACK_NO_DISABLE_OUTPORT)) { /* Disable output port */ if (gst_omx_port_set_enabled (self->dec_out_port, FALSE) != OMX_ErrorNone) return FALSE; if (gst_omx_port_wait_enabled (self->dec_out_port, 1 * GST_SECOND) != OMX_ErrorNone) return FALSE; if (gst_omx_component_set_state (self->dec, OMX_StateIdle) != OMX_ErrorNone) return FALSE; /* Need to allocate buffers to reach Idle state */ if (gst_omx_port_allocate_buffers (self->dec_in_port) != OMX_ErrorNone) return FALSE; } else { if (gst_omx_component_set_state (self->dec, OMX_StateIdle) != OMX_ErrorNone) return FALSE; /* Need to allocate buffers to reach Idle state */ if (gst_omx_port_allocate_buffers (self->dec_in_port) != OMX_ErrorNone) return FALSE; if (gst_omx_port_allocate_buffers (self->dec_out_port) != OMX_ErrorNone) return FALSE; } if (gst_omx_component_get_state (self->dec, GST_CLOCK_TIME_NONE) != OMX_StateIdle) return FALSE; if (gst_omx_component_set_state (self->dec, OMX_StateExecuting) != OMX_ErrorNone) return FALSE; if (gst_omx_component_get_state (self->dec, GST_CLOCK_TIME_NONE) != OMX_StateExecuting) return FALSE; } /* Unset flushing to allow ports to accept data again */ gst_omx_port_set_flushing (self->dec_in_port, 5 * GST_SECOND, FALSE); gst_omx_port_set_flushing (self->dec_out_port, 5 * GST_SECOND, FALSE); if (gst_omx_component_get_last_error (self->dec) != OMX_ErrorNone) { GST_ERROR_OBJECT (self, "Component in error state: %s (0x%08x)", gst_omx_component_get_last_error_string (self->dec), gst_omx_component_get_last_error (self->dec)); return FALSE; } self->disabled = FALSE; return TRUE; } static gboolean gst_omx_video_dec_set_format (GstVideoDecoder * decoder, GstVideoCodecState * state) { GstOMXVideoDec *self; GstOMXVideoDecClass *klass; GstVideoInfo *info = &state->info; gboolean is_format_change = FALSE; gboolean needs_disable = FALSE; OMX_PARAM_PORTDEFINITIONTYPE port_def; self = GST_OMX_VIDEO_DEC (decoder); klass = GST_OMX_VIDEO_DEC_GET_CLASS (decoder); GST_DEBUG_OBJECT (self, "Setting new caps %" GST_PTR_FORMAT, state->caps); if (!self->dmabuf && gst_caps_features_contains (gst_caps_get_features (state->caps, 0), GST_CAPS_FEATURE_MEMORY_DMABUF)) { GST_WARNING_OBJECT (self, "caps has the 'memory:DMABuf' feature but decoder cannot produce dmabuf"); return FALSE; } gst_omx_port_get_port_definition (self->dec_in_port, &port_def); /* Check if the caps change is a real format change or if only irrelevant * parts of the caps have changed or nothing at all. */ is_format_change |= port_def.format.video.nFrameWidth != info->width; is_format_change |= port_def.format.video.nFrameHeight != info->height; is_format_change |= (port_def.format.video.xFramerate == 0 && info->fps_n != 0) || (port_def.format.video.xFramerate != (info->fps_n << 16) / (info->fps_d)); is_format_change |= (self->codec_data != state->codec_data); if (klass->is_format_change) is_format_change |= klass->is_format_change (self, self->dec_in_port, state); needs_disable = gst_omx_component_get_state (self->dec, GST_CLOCK_TIME_NONE) != OMX_StateLoaded; /* If the component is not in Loaded state and a real format change happens * we have to disable the port and re-allocate all buffers. If no real * format change happened we can just exit here. */ if (needs_disable && !is_format_change) { GST_DEBUG_OBJECT (self, "Already running and caps did not change the format"); if (self->input_state) gst_video_codec_state_unref (self->input_state); self->input_state = gst_video_codec_state_ref (state); return TRUE; } if (needs_disable && is_format_change) { if (!gst_omx_video_dec_disable (self)) return FALSE; if (!self->disabled) { /* The local port_def is now obsolete so get it again. */ gst_omx_port_get_port_definition (self->dec_in_port, &port_def); } } port_def.format.video.nFrameWidth = info->width; port_def.format.video.nFrameHeight = info->height; if (info->fps_n == 0) port_def.format.video.xFramerate = 0; else port_def.format.video.xFramerate = (info->fps_n << 16) / (info->fps_d); GST_DEBUG_OBJECT (self, "Setting inport port definition"); if (gst_omx_port_update_port_definition (self->dec_in_port, &port_def) != OMX_ErrorNone) return FALSE; if (klass->set_format) { if (!klass->set_format (self, self->dec_in_port, state)) { GST_ERROR_OBJECT (self, "Subclass failed to set the new format"); return FALSE; } } #if OMX_VERSION_MINOR == 2 /* In OMX-IL 1.2.0, the nFrameWidth/Height changes are propagated to the * the output port upon call to the SetParameter on in port above. This * propagation triggers a SettingsChanged event. It is up to the client * to decide if this event should lead to reconfigure the port. Here * this is clearly informal so lets just acknowledge the event to avoid * output port reconfiguration. Note that the SettingsChanged event will * be sent in-context of the SetParameter call above. So the event is * garantie to be proceeded in the handle_message call below. */ if (gst_omx_port_mark_reconfigured (self->dec_out_port) != OMX_ErrorNone) return FALSE; #else GST_DEBUG_OBJECT (self, "Updating outport port definition"); if (gst_omx_port_update_port_definition (self->dec_out_port, NULL) != OMX_ErrorNone) return FALSE; #endif gst_buffer_replace (&self->codec_data, state->codec_data); self->input_state = gst_video_codec_state_ref (state); #ifdef USE_OMX_TARGET_ZYNQ_USCALE_PLUS gst_omx_video_dec_set_latency (self); #endif self->downstream_flow_ret = GST_FLOW_OK; return TRUE; } static gboolean gst_omx_video_dec_flush (GstVideoDecoder * decoder) { GstOMXVideoDec *self = GST_OMX_VIDEO_DEC (decoder); OMX_ERRORTYPE err = OMX_ErrorNone; GST_DEBUG_OBJECT (self, "Flushing decoder"); if (gst_omx_component_get_state (self->dec, 0) == OMX_StateLoaded) return TRUE; /* 0) Pause the components */ if (gst_omx_component_get_state (self->dec, 0) == OMX_StateExecuting) { gst_omx_component_set_state (self->dec, OMX_StatePause); gst_omx_component_get_state (self->dec, GST_CLOCK_TIME_NONE); } #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) if (self->eglimage) { if (gst_omx_component_get_state (self->egl_render, 0) == OMX_StateExecuting) { gst_omx_component_set_state (self->egl_render, OMX_StatePause); gst_omx_component_get_state (self->egl_render, GST_CLOCK_TIME_NONE); } } #endif /* 1) Flush the ports */ GST_DEBUG_OBJECT (self, "flushing ports"); gst_omx_port_set_flushing (self->dec_in_port, 5 * GST_SECOND, TRUE); gst_omx_port_set_flushing (self->dec_out_port, 5 * GST_SECOND, TRUE); #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) if (self->eglimage) { gst_omx_port_set_flushing (self->egl_in_port, 5 * GST_SECOND, TRUE); gst_omx_port_set_flushing (self->egl_out_port, 5 * GST_SECOND, TRUE); } #endif /* 2) Wait until the srcpad loop is stopped, * unlock GST_VIDEO_DECODER_STREAM_LOCK to prevent deadlocks * caused by using this lock from inside the loop function */ GST_VIDEO_DECODER_STREAM_UNLOCK (self); gst_pad_stop_task (GST_VIDEO_DECODER_SRC_PAD (decoder)); GST_DEBUG_OBJECT (self, "Flushing -- task stopped"); GST_VIDEO_DECODER_STREAM_LOCK (self); /* 3) Resume components */ gst_omx_component_set_state (self->dec, OMX_StateExecuting); gst_omx_component_get_state (self->dec, GST_CLOCK_TIME_NONE); #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) if (self->eglimage) { gst_omx_component_set_state (self->egl_render, OMX_StateExecuting); gst_omx_component_get_state (self->egl_render, GST_CLOCK_TIME_NONE); } #endif /* 4) Unset flushing to allow ports to accept data again */ gst_omx_port_set_flushing (self->dec_in_port, 5 * GST_SECOND, FALSE); gst_omx_port_set_flushing (self->dec_out_port, 5 * GST_SECOND, FALSE); #if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_GL) if (self->eglimage) { gst_omx_port_set_flushing (self->egl_in_port, 5 * GST_SECOND, FALSE); gst_omx_port_set_flushing (self->egl_out_port, 5 * GST_SECOND, FALSE); err = gst_omx_port_populate (self->egl_out_port); gst_omx_port_mark_reconfigured (self->egl_out_port); } else { err = gst_omx_port_populate (self->dec_out_port); } #else err = gst_omx_port_populate (self->dec_out_port); #endif if (err != OMX_ErrorNone) { GST_WARNING_OBJECT (self, "Failed to populate output port: %s (0x%08x)", gst_omx_error_to_string (err), err); } /* Reset our state */ self->last_upstream_ts = 0; self->downstream_flow_ret = GST_FLOW_OK; self->started = FALSE; GST_DEBUG_OBJECT (self, "Flush finished"); return TRUE; } static GstFlowReturn gst_omx_video_dec_handle_frame (GstVideoDecoder * decoder, GstVideoCodecFrame * frame) { GstOMXAcquireBufferReturn acq_ret = GST_OMX_ACQUIRE_BUFFER_ERROR; GstOMXVideoDec *self; GstOMXVideoDecClass *klass; GstOMXPort *port; GstOMXBuffer *buf; GstBuffer *codec_data = NULL; guint offset = 0, size; GstClockTime timestamp, duration; OMX_ERRORTYPE err; self = GST_OMX_VIDEO_DEC (decoder); klass = GST_OMX_VIDEO_DEC_GET_CLASS (self); GST_DEBUG_OBJECT (self, "Handling frame"); if (self->downstream_flow_ret != GST_FLOW_OK) { gst_video_codec_frame_unref (frame); return self->downstream_flow_ret; } if (!self->started) { if (!GST_VIDEO_CODEC_FRAME_IS_SYNC_POINT (frame)) { gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame); return GST_FLOW_OK; } if (gst_omx_port_is_flushing (self->dec_out_port)) { if (!gst_omx_video_dec_enable (self)) return FALSE; } GST_DEBUG_OBJECT (self, "Starting task"); gst_pad_start_task (GST_VIDEO_DECODER_SRC_PAD (self), (GstTaskFunction) gst_omx_video_dec_loop, decoder, NULL); } timestamp = frame->pts; duration = frame->duration; if (klass->prepare_frame) { GstFlowReturn ret; ret = klass->prepare_frame (self, frame); if (ret != GST_FLOW_OK) { GST_ERROR_OBJECT (self, "Preparing frame failed: %s", gst_flow_get_name (ret)); gst_video_codec_frame_unref (frame); return ret; } } port = self->dec_in_port; size = gst_buffer_get_size (frame->input_buffer); while (offset < size) { /* Make sure to release the base class stream lock, otherwise * _loop() can't call _finish_frame() and we might block forever * because no input buffers are released */ GST_VIDEO_DECODER_STREAM_UNLOCK (self); acq_ret = gst_omx_port_acquire_buffer (port, &buf); if (acq_ret == GST_OMX_ACQUIRE_BUFFER_ERROR) { GST_VIDEO_DECODER_STREAM_LOCK (self); goto component_error; } else if (acq_ret == GST_OMX_ACQUIRE_BUFFER_FLUSHING) { GST_VIDEO_DECODER_STREAM_LOCK (self); goto flushing; } else if (acq_ret == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) { /* Reallocate all buffers */ err = gst_omx_port_set_enabled (port, FALSE); if (err != OMX_ErrorNone) { GST_VIDEO_DECODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_wait_buffers_released (port, 5 * GST_SECOND); if (err != OMX_ErrorNone) { GST_VIDEO_DECODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_deallocate_buffers (port); if (err != OMX_ErrorNone) { GST_VIDEO_DECODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_wait_enabled (port, 1 * GST_SECOND); if (err != OMX_ErrorNone) { GST_VIDEO_DECODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_set_enabled (port, TRUE); if (err != OMX_ErrorNone) { GST_VIDEO_DECODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_allocate_buffers (port); if (err != OMX_ErrorNone) { GST_VIDEO_DECODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_wait_enabled (port, 5 * GST_SECOND); if (err != OMX_ErrorNone) { GST_VIDEO_DECODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_mark_reconfigured (port); if (err != OMX_ErrorNone) { GST_VIDEO_DECODER_STREAM_LOCK (self); goto reconfigure_error; } /* Now get a new buffer and fill it */ GST_VIDEO_DECODER_STREAM_LOCK (self); continue; } GST_VIDEO_DECODER_STREAM_LOCK (self); g_assert (acq_ret == GST_OMX_ACQUIRE_BUFFER_OK && buf != NULL); if (buf->omx_buf->nAllocLen - buf->omx_buf->nOffset <= 0) { gst_omx_port_release_buffer (port, buf); goto full_buffer; } if (self->downstream_flow_ret != GST_FLOW_OK) { gst_omx_port_release_buffer (port, buf); goto flow_error; } if (self->codec_data) { GST_DEBUG_OBJECT (self, "Passing codec data to the component"); codec_data = self->codec_data; if (buf->omx_buf->nAllocLen - buf->omx_buf->nOffset < gst_buffer_get_size (codec_data)) { gst_omx_port_release_buffer (port, buf); goto too_large_codec_data; } buf->omx_buf->nFlags |= OMX_BUFFERFLAG_CODECCONFIG; buf->omx_buf->nFlags |= OMX_BUFFERFLAG_ENDOFFRAME; buf->omx_buf->nFilledLen = gst_buffer_get_size (codec_data);; gst_buffer_extract (codec_data, 0, buf->omx_buf->pBuffer + buf->omx_buf->nOffset, buf->omx_buf->nFilledLen); if (GST_CLOCK_TIME_IS_VALID (timestamp)) GST_OMX_SET_TICKS (buf->omx_buf->nTimeStamp, gst_util_uint64_scale (timestamp, OMX_TICKS_PER_SECOND, GST_SECOND)); else GST_OMX_SET_TICKS (buf->omx_buf->nTimeStamp, G_GUINT64_CONSTANT (0)); buf->omx_buf->nTickCount = 0; self->started = TRUE; err = gst_omx_port_release_buffer (port, buf); gst_buffer_replace (&self->codec_data, NULL); if (err != OMX_ErrorNone) goto release_error; /* Acquire new buffer for the actual frame */ continue; } /* Now handle the frame */ GST_DEBUG_OBJECT (self, "Passing frame offset %d to the component", offset); /* Copy the buffer content in chunks of size as requested * by the port */ buf->omx_buf->nFilledLen = MIN (size - offset, buf->omx_buf->nAllocLen - buf->omx_buf->nOffset); gst_buffer_extract (frame->input_buffer, offset, buf->omx_buf->pBuffer + buf->omx_buf->nOffset, buf->omx_buf->nFilledLen); if (timestamp != GST_CLOCK_TIME_NONE) { GST_OMX_SET_TICKS (buf->omx_buf->nTimeStamp, gst_util_uint64_scale (timestamp, OMX_TICKS_PER_SECOND, GST_SECOND)); self->last_upstream_ts = timestamp; } else { GST_OMX_SET_TICKS (buf->omx_buf->nTimeStamp, G_GUINT64_CONSTANT (0)); } if (duration != GST_CLOCK_TIME_NONE && offset == 0) { buf->omx_buf->nTickCount = gst_util_uint64_scale (duration, OMX_TICKS_PER_SECOND, GST_SECOND); self->last_upstream_ts += duration; } else { buf->omx_buf->nTickCount = 0; } if (offset == 0 && GST_VIDEO_CODEC_FRAME_IS_SYNC_POINT (frame)) buf->omx_buf->nFlags |= OMX_BUFFERFLAG_SYNCFRAME; /* TODO: Set flags * - OMX_BUFFERFLAG_DECODEONLY for buffers that are outside * the segment */ offset += buf->omx_buf->nFilledLen; if (offset == size) buf->omx_buf->nFlags |= OMX_BUFFERFLAG_ENDOFFRAME; self->started = TRUE; err = gst_omx_port_release_buffer (port, buf); if (err != OMX_ErrorNone) goto release_error; } gst_video_codec_frame_unref (frame); GST_DEBUG_OBJECT (self, "Passed frame to component"); return self->downstream_flow_ret; full_buffer: { gst_video_codec_frame_unref (frame); GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL), ("Got OpenMAX buffer with no free space (%p, %u/%u)", buf, (guint) buf->omx_buf->nOffset, (guint) buf->omx_buf->nAllocLen)); return GST_FLOW_ERROR; } flow_error: { gst_video_codec_frame_unref (frame); return self->downstream_flow_ret; } too_large_codec_data: { gst_video_codec_frame_unref (frame); GST_ELEMENT_ERROR (self, STREAM, FORMAT, (NULL), ("codec_data larger than supported by OpenMAX port " "(%" G_GSIZE_FORMAT " > %u)", gst_buffer_get_size (codec_data), (guint) self->dec_in_port->port_def.nBufferSize)); return GST_FLOW_ERROR; } component_error: { gst_video_codec_frame_unref (frame); GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL), ("OpenMAX component in error state %s (0x%08x)", gst_omx_component_get_last_error_string (self->dec), gst_omx_component_get_last_error (self->dec))); return GST_FLOW_ERROR; } flushing: { gst_video_codec_frame_unref (frame); GST_DEBUG_OBJECT (self, "Flushing -- returning FLUSHING"); return GST_FLOW_FLUSHING; } reconfigure_error: { gst_video_codec_frame_unref (frame); GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Unable to reconfigure input port")); return GST_FLOW_ERROR; } release_error: { gst_video_codec_frame_unref (frame); GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Failed to relase input buffer to component: %s (0x%08x)", gst_omx_error_to_string (err), err)); return GST_FLOW_ERROR; } } static GstFlowReturn gst_omx_video_dec_drain (GstVideoDecoder * decoder) { gboolean ret; ret = gst_omx_video_dec_finish (decoder); gst_omx_video_dec_flush (decoder); return ret; } static GstFlowReturn gst_omx_video_dec_finish (GstVideoDecoder * decoder) { GstOMXVideoDec *self; GstOMXVideoDecClass *klass; GstOMXBuffer *buf; GstOMXAcquireBufferReturn acq_ret; OMX_ERRORTYPE err; self = GST_OMX_VIDEO_DEC (decoder); GST_DEBUG_OBJECT (self, "Draining component"); klass = GST_OMX_VIDEO_DEC_GET_CLASS (self); if (!self->started) { GST_DEBUG_OBJECT (self, "Component not started yet"); return GST_FLOW_OK; } self->started = FALSE; if ((klass->cdata.hacks & GST_OMX_HACK_NO_EMPTY_EOS_BUFFER)) { GST_WARNING_OBJECT (self, "Component does not support empty EOS buffers"); return GST_FLOW_OK; } /* Make sure to release the base class stream lock, otherwise * _loop() can't call _finish_frame() and we might block forever * because no input buffers are released */ GST_VIDEO_DECODER_STREAM_UNLOCK (self); /* Send an EOS buffer to the component and let the base * class drop the EOS event. We will send it later when * the EOS buffer arrives on the output port. */ acq_ret = gst_omx_port_acquire_buffer (self->dec_in_port, &buf); if (acq_ret != GST_OMX_ACQUIRE_BUFFER_OK) { GST_VIDEO_DECODER_STREAM_LOCK (self); GST_ERROR_OBJECT (self, "Failed to acquire buffer for draining: %d", acq_ret); return GST_FLOW_ERROR; } g_mutex_lock (&self->drain_lock); self->draining = TRUE; buf->omx_buf->nFilledLen = 0; GST_OMX_SET_TICKS (buf->omx_buf->nTimeStamp, gst_util_uint64_scale (self->last_upstream_ts, OMX_TICKS_PER_SECOND, GST_SECOND)); buf->omx_buf->nTickCount = 0; buf->omx_buf->nFlags |= OMX_BUFFERFLAG_EOS; err = gst_omx_port_release_buffer (self->dec_in_port, buf); if (err != OMX_ErrorNone) { GST_ERROR_OBJECT (self, "Failed to drain component: %s (0x%08x)", gst_omx_error_to_string (err), err); g_mutex_unlock (&self->drain_lock); GST_VIDEO_DECODER_STREAM_LOCK (self); return GST_FLOW_ERROR; } GST_DEBUG_OBJECT (self, "Waiting until component is drained"); if (G_UNLIKELY (self->dec->hacks & GST_OMX_HACK_DRAIN_MAY_NOT_RETURN)) { gint64 wait_until = g_get_monotonic_time () + G_TIME_SPAN_SECOND / 2; if (!g_cond_wait_until (&self->drain_cond, &self->drain_lock, wait_until)) GST_WARNING_OBJECT (self, "Drain timed out"); else GST_DEBUG_OBJECT (self, "Drained component"); } else { g_cond_wait (&self->drain_cond, &self->drain_lock); GST_DEBUG_OBJECT (self, "Drained component"); } g_mutex_unlock (&self->drain_lock); GST_VIDEO_DECODER_STREAM_LOCK (self); self->started = FALSE; return GST_FLOW_OK; } static gboolean gst_omx_video_dec_decide_allocation (GstVideoDecoder * bdec, GstQuery * query) { GstBufferPool *pool; GstStructure *config; GstOMXVideoDec *self = GST_OMX_VIDEO_DEC (bdec); #if defined (HAVE_GST_GL) { GstCaps *caps; gint i, n; GstVideoInfo info; gst_query_parse_allocation (query, &caps, NULL); if (caps && gst_video_info_from_caps (&info, caps) && info.finfo->format == GST_VIDEO_FORMAT_RGBA) { gboolean found = FALSE; GstCapsFeatures *feature = gst_caps_get_features (caps, 0); /* Prefer an EGLImage allocator if available and we want to use it */ n = gst_query_get_n_allocation_params (query); for (i = 0; i < n; i++) { GstAllocator *allocator; GstAllocationParams params; gst_query_parse_nth_allocation_param (query, i, &allocator, ¶ms); if (allocator) { if (GST_IS_GL_MEMORY_EGL_ALLOCATOR (allocator)) { found = TRUE; gst_query_set_nth_allocation_param (query, 0, allocator, ¶ms); while (gst_query_get_n_allocation_params (query) > 1) gst_query_remove_nth_allocation_param (query, 1); } gst_object_unref (allocator); if (found) break; } } /* if try to negotiate with caps feature memory:EGLImage * and if allocator is not of type memory EGLImage then fails */ if (feature && gst_caps_features_contains (feature, GST_CAPS_FEATURE_MEMORY_GL_MEMORY) && !found) { return FALSE; } } } #endif /* defined (HAVE_GST_GL) */ self->use_buffers = FALSE; if (gst_query_get_n_allocation_pools (query) > 0) { GST_DEBUG_OBJECT (self, "Try using downstream buffers with OMX_UseBuffer"); self->use_buffers = TRUE; } if (!GST_VIDEO_DECODER_CLASS (gst_omx_video_dec_parent_class)->decide_allocation (bdec, query)) return FALSE; g_assert (gst_query_get_n_allocation_pools (query) > 0); gst_query_parse_nth_allocation_pool (query, 0, &pool, NULL, NULL, NULL); g_assert (pool != NULL); config = gst_buffer_pool_get_config (pool); if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) { gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META); } gst_buffer_pool_set_config (pool, config); gst_object_unref (pool); return TRUE; }