/* * Copyright (C) 2011, Hewlett-Packard Development Company, L.P. * Author: Sebastian Dröge , Collabora Ltd. * * 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 #include #include "gstomxvideoenc.h" GST_DEBUG_CATEGORY_STATIC (gst_omx_video_enc_debug_category); #define GST_CAT_DEFAULT gst_omx_video_enc_debug_category #define GST_TYPE_OMX_VIDEO_ENC_CONTROL_RATE (gst_omx_video_enc_control_rate_get_type ()) static GType gst_omx_video_enc_control_rate_get_type (void) { static GType qtype = 0; if (qtype == 0) { static const GEnumValue values[] = { {OMX_Video_ControlRateDisable, "Disable", "disable"}, {OMX_Video_ControlRateVariable, "Variable", "variable"}, {OMX_Video_ControlRateConstant, "Constant", "constant"}, {OMX_Video_ControlRateVariableSkipFrames, "Variable Skip Frames", "variable-skip-frames"}, {OMX_Video_ControlRateConstantSkipFrames, "Constant Skip Frames", "constant-skip-frames"}, {0xffffffff, "Component Default", "default"}, {0, NULL, NULL} }; qtype = g_enum_register_static ("GstOMXVideoEncControlRate", values); } return qtype; } typedef struct _BufferIdentification BufferIdentification; struct _BufferIdentification { guint64 timestamp; }; static void buffer_identification_free (BufferIdentification * id) { g_slice_free (BufferIdentification, id); } /* prototypes */ static void gst_omx_video_enc_finalize (GObject * object); static void gst_omx_video_enc_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_omx_video_enc_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static GstStateChangeReturn gst_omx_video_enc_change_state (GstElement * element, GstStateChange transition); static gboolean gst_omx_video_enc_open (GstVideoEncoder * encoder); static gboolean gst_omx_video_enc_close (GstVideoEncoder * encoder); static gboolean gst_omx_video_enc_start (GstVideoEncoder * encoder); static gboolean gst_omx_video_enc_stop (GstVideoEncoder * encoder); static gboolean gst_omx_video_enc_set_format (GstVideoEncoder * encoder, GstVideoCodecState * state); static gboolean gst_omx_video_enc_reset (GstVideoEncoder * encoder, gboolean hard); static GstFlowReturn gst_omx_video_enc_handle_frame (GstVideoEncoder * encoder, GstVideoCodecFrame * frame); static gboolean gst_omx_video_enc_finish (GstVideoEncoder * encoder); static gboolean gst_omx_video_enc_propose_allocation (GstVideoEncoder * encoder, GstQuery * query); static GstCaps *gst_omx_video_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter); static GstFlowReturn gst_omx_video_enc_drain (GstOMXVideoEnc * self, gboolean at_eos); static GstFlowReturn gst_omx_video_enc_handle_output_frame (GstOMXVideoEnc * self, GstOMXPort * port, GstOMXBuffer * buf, GstVideoCodecFrame * frame); enum { PROP_0, PROP_CONTROL_RATE, PROP_TARGET_BITRATE, PROP_QUANT_I_FRAMES, PROP_QUANT_P_FRAMES, PROP_QUANT_B_FRAMES }; /* FIXME: Better defaults */ #define GST_OMX_VIDEO_ENC_CONTROL_RATE_DEFAULT (0xffffffff) #define GST_OMX_VIDEO_ENC_TARGET_BITRATE_DEFAULT (0xffffffff) #define GST_OMX_VIDEO_ENC_QUANT_I_FRAMES_DEFAULT (0xffffffff) #define GST_OMX_VIDEO_ENC_QUANT_P_FRAMES_DEFAULT (0xffffffff) #define GST_OMX_VIDEO_ENC_QUANT_B_FRAMES_DEFAULT (0xffffffff) /* class initialization */ #define DEBUG_INIT \ GST_DEBUG_CATEGORY_INIT (gst_omx_video_enc_debug_category, "omxvideoenc", 0, \ "debug category for gst-omx video encoder base class"); G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstOMXVideoEnc, gst_omx_video_enc, GST_TYPE_VIDEO_ENCODER, DEBUG_INIT); static void gst_omx_video_enc_class_init (GstOMXVideoEncClass * klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstVideoEncoderClass *video_encoder_class = GST_VIDEO_ENCODER_CLASS (klass); gobject_class->finalize = gst_omx_video_enc_finalize; gobject_class->set_property = gst_omx_video_enc_set_property; gobject_class->get_property = gst_omx_video_enc_get_property; g_object_class_install_property (gobject_class, PROP_CONTROL_RATE, g_param_spec_enum ("control-rate", "Control Rate", "Bitrate control method", GST_TYPE_OMX_VIDEO_ENC_CONTROL_RATE, GST_OMX_VIDEO_ENC_CONTROL_RATE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_MUTABLE_READY)); g_object_class_install_property (gobject_class, PROP_TARGET_BITRATE, g_param_spec_uint ("target-bitrate", "Target Bitrate", "Target bitrate (0xffffffff=component default)", 0, G_MAXUINT, GST_OMX_VIDEO_ENC_TARGET_BITRATE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_MUTABLE_PLAYING)); g_object_class_install_property (gobject_class, PROP_QUANT_I_FRAMES, g_param_spec_uint ("quant-i-frames", "I-Frame Quantization", "Quantization parameter for I-frames (0xffffffff=component default)", 0, G_MAXUINT, GST_OMX_VIDEO_ENC_QUANT_I_FRAMES_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_MUTABLE_READY)); g_object_class_install_property (gobject_class, PROP_QUANT_P_FRAMES, g_param_spec_uint ("quant-p-frames", "P-Frame Quantization", "Quantization parameter for P-frames (0xffffffff=component default)", 0, G_MAXUINT, GST_OMX_VIDEO_ENC_QUANT_P_FRAMES_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_MUTABLE_READY)); g_object_class_install_property (gobject_class, PROP_QUANT_B_FRAMES, g_param_spec_uint ("quant-b-frames", "B-Frame Quantization", "Quantization parameter for B-frames (0xffffffff=component default)", 0, G_MAXUINT, GST_OMX_VIDEO_ENC_QUANT_B_FRAMES_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_MUTABLE_READY)); element_class->change_state = GST_DEBUG_FUNCPTR (gst_omx_video_enc_change_state); video_encoder_class->open = GST_DEBUG_FUNCPTR (gst_omx_video_enc_open); video_encoder_class->close = GST_DEBUG_FUNCPTR (gst_omx_video_enc_close); video_encoder_class->start = GST_DEBUG_FUNCPTR (gst_omx_video_enc_start); video_encoder_class->stop = GST_DEBUG_FUNCPTR (gst_omx_video_enc_stop); video_encoder_class->reset = GST_DEBUG_FUNCPTR (gst_omx_video_enc_reset); video_encoder_class->set_format = GST_DEBUG_FUNCPTR (gst_omx_video_enc_set_format); video_encoder_class->handle_frame = GST_DEBUG_FUNCPTR (gst_omx_video_enc_handle_frame); video_encoder_class->finish = GST_DEBUG_FUNCPTR (gst_omx_video_enc_finish); video_encoder_class->propose_allocation = GST_DEBUG_FUNCPTR (gst_omx_video_enc_propose_allocation); video_encoder_class->getcaps = GST_DEBUG_FUNCPTR (gst_omx_video_enc_getcaps); klass->cdata.type = GST_OMX_COMPONENT_TYPE_FILTER; klass->cdata.default_sink_template_caps = "video/x-raw, " "width = " GST_VIDEO_SIZE_RANGE ", " "height = " GST_VIDEO_SIZE_RANGE ", " "framerate = " GST_VIDEO_FPS_RANGE; klass->handle_output_frame = GST_DEBUG_FUNCPTR (gst_omx_video_enc_handle_output_frame); } static void gst_omx_video_enc_init (GstOMXVideoEnc * self) { self->control_rate = GST_OMX_VIDEO_ENC_CONTROL_RATE_DEFAULT; self->target_bitrate = GST_OMX_VIDEO_ENC_TARGET_BITRATE_DEFAULT; self->quant_i_frames = GST_OMX_VIDEO_ENC_QUANT_I_FRAMES_DEFAULT; self->quant_p_frames = GST_OMX_VIDEO_ENC_QUANT_P_FRAMES_DEFAULT; self->quant_b_frames = GST_OMX_VIDEO_ENC_QUANT_B_FRAMES_DEFAULT; g_mutex_init (&self->drain_lock); g_cond_init (&self->drain_cond); } static gboolean gst_omx_video_enc_open (GstVideoEncoder * encoder) { GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (encoder); GstOMXVideoEncClass *klass = GST_OMX_VIDEO_ENC_GET_CLASS (self); gint in_port_index, out_port_index; self->enc = 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->enc) return FALSE; if (gst_omx_component_get_state (self->enc, 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->enc, 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->enc_in_port = gst_omx_component_add_port (self->enc, in_port_index); self->enc_out_port = gst_omx_component_add_port (self->enc, out_port_index); if (!self->enc_in_port || !self->enc_out_port) return FALSE; /* Set properties */ { OMX_ERRORTYPE err; if (self->control_rate != 0xffffffff || self->target_bitrate != 0xffffffff) { OMX_VIDEO_PARAM_BITRATETYPE bitrate_param; GST_OMX_INIT_STRUCT (&bitrate_param); bitrate_param.nPortIndex = self->enc_out_port->index; err = gst_omx_component_get_parameter (self->enc, OMX_IndexParamVideoBitrate, &bitrate_param); if (err == OMX_ErrorNone) { #ifdef USE_OMX_TARGET_RPI /* FIXME: Workaround for RPi returning garbage for this parameter */ if (bitrate_param.nVersion.nVersion == 0) { GST_OMX_INIT_STRUCT (&bitrate_param); bitrate_param.nPortIndex = self->enc_out_port->index; } #endif if (self->control_rate != 0xffffffff) bitrate_param.eControlRate = self->control_rate; if (self->target_bitrate != 0xffffffff) bitrate_param.nTargetBitrate = self->target_bitrate; err = gst_omx_component_set_parameter (self->enc, OMX_IndexParamVideoBitrate, &bitrate_param); if (err == OMX_ErrorUnsupportedIndex) { GST_WARNING_OBJECT (self, "Setting a bitrate not supported by the component"); } else if (err == OMX_ErrorUnsupportedSetting) { GST_WARNING_OBJECT (self, "Setting bitrate settings %u %u not supported by the component", self->control_rate, self->target_bitrate); } else if (err != OMX_ErrorNone) { GST_ERROR_OBJECT (self, "Failed to set bitrate parameters: %s (0x%08x)", gst_omx_error_to_string (err), err); return FALSE; } } else { GST_ERROR_OBJECT (self, "Failed to get bitrate parameters: %s (0x%08x)", gst_omx_error_to_string (err), err); } } if (self->quant_i_frames != 0xffffffff || self->quant_p_frames != 0xffffffff || self->quant_b_frames != 0xffffffff) { OMX_VIDEO_PARAM_QUANTIZATIONTYPE quant_param; GST_OMX_INIT_STRUCT (&quant_param); quant_param.nPortIndex = self->enc_out_port->index; err = gst_omx_component_get_parameter (self->enc, OMX_IndexParamVideoQuantization, &quant_param); if (err == OMX_ErrorNone) { if (self->quant_i_frames != 0xffffffff) quant_param.nQpI = self->quant_i_frames; if (self->quant_p_frames != 0xffffffff) quant_param.nQpP = self->quant_p_frames; if (self->quant_b_frames != 0xffffffff) quant_param.nQpB = self->quant_b_frames; err = gst_omx_component_set_parameter (self->enc, OMX_IndexParamVideoQuantization, &quant_param); if (err == OMX_ErrorUnsupportedIndex) { GST_WARNING_OBJECT (self, "Setting quantization parameters not supported by the component"); } else if (err == OMX_ErrorUnsupportedSetting) { GST_WARNING_OBJECT (self, "Setting quantization parameters %u %u %u not supported by the component", self->quant_i_frames, self->quant_p_frames, self->quant_b_frames); } else if (err != OMX_ErrorNone) { GST_ERROR_OBJECT (self, "Failed to set quantization parameters: %s (0x%08x)", gst_omx_error_to_string (err), err); return FALSE; } } else { GST_ERROR_OBJECT (self, "Failed to get quantization parameters: %s (0x%08x)", gst_omx_error_to_string (err), err); } } } return TRUE; } static gboolean gst_omx_video_enc_shutdown (GstOMXVideoEnc * self) { OMX_STATETYPE state; GST_DEBUG_OBJECT (self, "Shutting down encoder"); state = gst_omx_component_get_state (self->enc, 0); if (state > OMX_StateLoaded || state == OMX_StateInvalid) { if (state > OMX_StateIdle) { gst_omx_component_set_state (self->enc, OMX_StateIdle); gst_omx_component_get_state (self->enc, 5 * GST_SECOND); } gst_omx_component_set_state (self->enc, OMX_StateLoaded); gst_omx_port_deallocate_buffers (self->enc_in_port); gst_omx_port_deallocate_buffers (self->enc_out_port); if (state > OMX_StateLoaded) gst_omx_component_get_state (self->enc, 5 * GST_SECOND); } return TRUE; } static gboolean gst_omx_video_enc_close (GstVideoEncoder * encoder) { GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (encoder); GST_DEBUG_OBJECT (self, "Closing encoder"); if (!gst_omx_video_enc_shutdown (self)) return FALSE; self->enc_in_port = NULL; self->enc_out_port = NULL; if (self->enc) gst_omx_component_free (self->enc); self->enc = NULL; return TRUE; } static void gst_omx_video_enc_finalize (GObject * object) { GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (object); g_mutex_clear (&self->drain_lock); g_cond_clear (&self->drain_cond); G_OBJECT_CLASS (gst_omx_video_enc_parent_class)->finalize (object); } static void gst_omx_video_enc_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (object); switch (prop_id) { case PROP_CONTROL_RATE: self->control_rate = g_value_get_enum (value); break; case PROP_TARGET_BITRATE: self->target_bitrate = g_value_get_uint (value); if (self->enc) { OMX_VIDEO_CONFIG_BITRATETYPE config; OMX_ERRORTYPE err; GST_OMX_INIT_STRUCT (&config); config.nPortIndex = self->enc_out_port->index; config.nEncodeBitrate = self->target_bitrate; err = gst_omx_component_set_config (self->enc, OMX_IndexConfigVideoBitrate, &config); if (err != OMX_ErrorNone) GST_ERROR_OBJECT (self, "Failed to set bitrate parameter: %s (0x%08x)", gst_omx_error_to_string (err), err); } break; case PROP_QUANT_I_FRAMES: self->quant_i_frames = g_value_get_uint (value); break; case PROP_QUANT_P_FRAMES: self->quant_p_frames = g_value_get_uint (value); break; case PROP_QUANT_B_FRAMES: self->quant_b_frames = g_value_get_uint (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_omx_video_enc_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (object); switch (prop_id) { case PROP_CONTROL_RATE: g_value_set_enum (value, self->control_rate); break; case PROP_TARGET_BITRATE: g_value_set_uint (value, self->target_bitrate); break; case PROP_QUANT_I_FRAMES: g_value_set_uint (value, self->quant_i_frames); break; case PROP_QUANT_P_FRAMES: g_value_set_uint (value, self->quant_p_frames); break; case PROP_QUANT_B_FRAMES: g_value_set_uint (value, self->quant_b_frames); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static GstStateChangeReturn gst_omx_video_enc_change_state (GstElement * element, GstStateChange transition) { GstOMXVideoEnc *self; GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; g_return_val_if_fail (GST_IS_OMX_VIDEO_ENC (element), GST_STATE_CHANGE_FAILURE); self = GST_OMX_VIDEO_ENC (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; break; case GST_STATE_CHANGE_PAUSED_TO_PLAYING: break; case GST_STATE_CHANGE_PAUSED_TO_READY: if (self->enc_in_port) gst_omx_port_set_flushing (self->enc_in_port, 5 * GST_SECOND, TRUE); if (self->enc_out_port) gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, TRUE); g_mutex_lock (&self->drain_lock); self->draining = FALSE; g_cond_broadcast (&self->drain_cond); g_mutex_unlock (&self->drain_lock); break; default: break; } if (ret == GST_STATE_CHANGE_FAILURE) return ret; ret = GST_ELEMENT_CLASS (gst_omx_video_enc_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_enc_shutdown (self)) ret = GST_STATE_CHANGE_FAILURE; break; case GST_STATE_CHANGE_READY_TO_NULL: break; default: break; } return ret; } #define MAX_FRAME_DIST_TICKS (5 * OMX_TICKS_PER_SECOND) #define MAX_FRAME_DIST_FRAMES (100) static GstVideoCodecFrame * _find_nearest_frame (GstOMXVideoEnc * self, GstOMXBuffer * buf) { GList *l, *best_l = NULL; GList *finish_frames = NULL; GstVideoCodecFrame *best = NULL; guint64 best_timestamp = 0; guint64 best_diff = G_MAXUINT64; BufferIdentification *best_id = NULL; GList *frames; frames = gst_video_encoder_get_frames (GST_VIDEO_ENCODER (self)); for (l = frames; l; l = l->next) { GstVideoCodecFrame *tmp = l->data; BufferIdentification *id = gst_video_codec_frame_get_user_data (tmp); guint64 timestamp, diff; /* This happens for frames that were just added but * which were not passed to the component yet. Ignore * them here! */ if (!id) continue; timestamp = id->timestamp; if (timestamp > buf->omx_buf->nTimeStamp) diff = timestamp - buf->omx_buf->nTimeStamp; else diff = buf->omx_buf->nTimeStamp - timestamp; if (best == NULL || diff < best_diff) { best = tmp; best_timestamp = timestamp; best_diff = diff; best_l = l; best_id = id; /* For frames without timestamp we simply take the first frame */ if ((buf->omx_buf->nTimeStamp == 0 && timestamp == 0) || diff == 0) break; } } if (best_id) { for (l = frames; l && l != best_l; l = l->next) { GstVideoCodecFrame *tmp = l->data; BufferIdentification *id = gst_video_codec_frame_get_user_data (tmp); guint64 diff_ticks, diff_frames; /* This happens for frames that were just added but * which were not passed to the component yet. Ignore * them here! */ if (!id) continue; if (id->timestamp > best_timestamp) break; if (id->timestamp == 0 || best_timestamp == 0) diff_ticks = 0; else diff_ticks = best_timestamp - id->timestamp; diff_frames = best->system_frame_number - tmp->system_frame_number; if (diff_ticks > MAX_FRAME_DIST_TICKS || diff_frames > MAX_FRAME_DIST_FRAMES) { finish_frames = g_list_prepend (finish_frames, gst_video_codec_frame_ref (tmp)); } } } if (finish_frames) { g_warning ("Too old frames, bug in encoder -- please file a bug"); for (l = finish_frames; l; l = l->next) { gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (self), l->data); } } if (best) gst_video_codec_frame_ref (best); g_list_foreach (frames, (GFunc) gst_video_codec_frame_unref, NULL); g_list_free (frames); return best; } static GstFlowReturn gst_omx_video_enc_handle_output_frame (GstOMXVideoEnc * self, GstOMXPort * port, GstOMXBuffer * buf, GstVideoCodecFrame * frame) { GstOMXVideoEncClass *klass = GST_OMX_VIDEO_ENC_GET_CLASS (self); GstFlowReturn flow_ret = GST_FLOW_OK; if ((buf->omx_buf->nFlags & OMX_BUFFERFLAG_CODECCONFIG) && buf->omx_buf->nFilledLen > 0) { GstVideoCodecState *state; GstBuffer *codec_data; GstMapInfo map = GST_MAP_INFO_INIT; GstCaps *caps; GST_DEBUG_OBJECT (self, "Handling codec data"); caps = klass->get_caps (self, self->enc_out_port, self->input_state); codec_data = gst_buffer_new_and_alloc (buf->omx_buf->nFilledLen); gst_buffer_map (codec_data, &map, GST_MAP_WRITE); memcpy (map.data, buf->omx_buf->pBuffer + buf->omx_buf->nOffset, buf->omx_buf->nFilledLen); gst_buffer_unmap (codec_data, &map); state = gst_video_encoder_set_output_state (GST_VIDEO_ENCODER (self), caps, self->input_state); state->codec_data = codec_data; if (!gst_video_encoder_negotiate (GST_VIDEO_ENCODER (self))) { gst_video_codec_frame_unref (frame); return GST_FLOW_NOT_NEGOTIATED; } flow_ret = GST_FLOW_OK; } else if (buf->omx_buf->nFilledLen > 0) { GstBuffer *outbuf; GstMapInfo map = GST_MAP_INFO_INIT; GST_DEBUG_OBJECT (self, "Handling output data"); if (buf->omx_buf->nFilledLen > 0) { outbuf = gst_buffer_new_and_alloc (buf->omx_buf->nFilledLen); gst_buffer_map (outbuf, &map, GST_MAP_WRITE); memcpy (map.data, buf->omx_buf->pBuffer + buf->omx_buf->nOffset, buf->omx_buf->nFilledLen); gst_buffer_unmap (outbuf, &map); } else { outbuf = gst_buffer_new (); } GST_BUFFER_TIMESTAMP (outbuf) = gst_util_uint64_scale (buf->omx_buf->nTimeStamp, GST_SECOND, OMX_TICKS_PER_SECOND); if (buf->omx_buf->nTickCount != 0) GST_BUFFER_DURATION (outbuf) = gst_util_uint64_scale (buf->omx_buf->nTickCount, GST_SECOND, OMX_TICKS_PER_SECOND); if ((klass->cdata.hacks & GST_OMX_HACK_SYNCFRAME_FLAG_NOT_USED) || (buf->omx_buf->nFlags & OMX_BUFFERFLAG_SYNCFRAME)) { if (frame) GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame); else GST_BUFFER_FLAG_UNSET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT); } else { if (frame) GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT (frame); else GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT); } if (frame) { frame->output_buffer = outbuf; flow_ret = gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (self), frame); } else { GST_ERROR_OBJECT (self, "No corresponding frame found"); flow_ret = gst_pad_push (GST_VIDEO_ENCODER_SRC_PAD (self), outbuf); } } else if (frame != NULL) { flow_ret = gst_video_encoder_finish_frame (GST_VIDEO_ENCODER (self), frame); } return flow_ret; } static void gst_omx_video_enc_loop (GstOMXVideoEnc * self) { GstOMXVideoEncClass *klass; GstOMXPort *port = self->enc_out_port; GstOMXBuffer *buf = NULL; GstVideoCodecFrame *frame; GstFlowReturn flow_ret = GST_FLOW_OK; GstOMXAcquireBufferReturn acq_return; OMX_ERRORTYPE err; klass = GST_OMX_VIDEO_ENC_GET_CLASS (self); 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_ENCODER_SRC_PAD (self)) || acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) { GstCaps *caps; GstVideoCodecState *state; GST_DEBUG_OBJECT (self, "Port settings have changed, updating caps"); if (acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE && gst_omx_port_is_enabled (port)) { /* Reallocate all buffers */ 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_port_deallocate_buffers (port); if (err != OMX_ErrorNone) goto reconfigure_error; err = gst_omx_port_wait_enabled (port, 1 * GST_SECOND); if (err != OMX_ErrorNone) goto reconfigure_error; } GST_VIDEO_ENCODER_STREAM_LOCK (self); caps = klass->get_caps (self, self->enc_out_port, self->input_state); if (!caps) { if (buf) gst_omx_port_release_buffer (self->enc_out_port, buf); GST_VIDEO_ENCODER_STREAM_UNLOCK (self); goto caps_failed; } GST_DEBUG_OBJECT (self, "Setting output state: %" GST_PTR_FORMAT, caps); state = gst_video_encoder_set_output_state (GST_VIDEO_ENCODER (self), caps, self->input_state); gst_video_codec_state_unref (state); if (!gst_video_encoder_negotiate (GST_VIDEO_ENCODER (self))) { if (buf) gst_omx_port_release_buffer (self->enc_out_port, buf); GST_VIDEO_ENCODER_STREAM_UNLOCK (self); goto caps_failed; } GST_VIDEO_ENCODER_STREAM_UNLOCK (self); if (acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) { err = gst_omx_port_set_enabled (port, TRUE); if (err != OMX_ErrorNone) goto reconfigure_error; err = gst_omx_port_allocate_buffers (port); if (err != OMX_ErrorNone) goto reconfigure_error; err = gst_omx_port_wait_enabled (port, 5 * GST_SECOND); if (err != OMX_ErrorNone) goto reconfigure_error; err = gst_omx_port_populate (port); if (err != OMX_ErrorNone) goto reconfigure_error; err = gst_omx_port_mark_reconfigured (port); if (err != OMX_ErrorNone) goto reconfigure_error; } /* 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 (self->enc_out_port)) { GST_DEBUG_OBJECT (self, "Flushing"); gst_omx_port_release_buffer (self->enc_out_port, buf); goto flushing; } GST_DEBUG_OBJECT (self, "Handling buffer: 0x%08x %" G_GUINT64_FORMAT, (guint) buf->omx_buf->nFlags, (guint64) buf->omx_buf->nTimeStamp); GST_VIDEO_ENCODER_STREAM_LOCK (self); frame = _find_nearest_frame (self, buf); g_assert (klass->handle_output_frame); flow_ret = klass->handle_output_frame (self, self->enc_out_port, buf, frame); GST_DEBUG_OBJECT (self, "Finished frame: %s", gst_flow_get_name (flow_ret)); err = gst_omx_port_release_buffer (port, buf); if (err != OMX_ErrorNone) goto release_error; self->downstream_flow_ret = flow_ret; GST_DEBUG_OBJECT (self, "Read frame from component"); if (flow_ret != GST_FLOW_OK) goto flow_error; GST_VIDEO_ENCODER_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->enc), gst_omx_component_get_last_error (self->enc))); gst_pad_push_event (GST_VIDEO_ENCODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_ENCODER_SRC_PAD (self)); self->downstream_flow_ret = GST_FLOW_ERROR; self->started = FALSE; return; } flushing: { GST_DEBUG_OBJECT (self, "Flushing -- stopping task"); gst_pad_pause_task (GST_VIDEO_ENCODER_SRC_PAD (self)); self->downstream_flow_ret = GST_FLOW_FLUSHING; self->started = FALSE; return; } eos: { g_mutex_lock (&self->drain_lock); if (self->draining) { 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_ENCODER_SRC_PAD (self)); } else { GST_DEBUG_OBJECT (self, "Component signalled EOS"); flow_ret = GST_FLOW_EOS; } g_mutex_unlock (&self->drain_lock); GST_VIDEO_ENCODER_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_ENCODER_STREAM_UNLOCK (self); return; } flow_error: { if (flow_ret == GST_FLOW_EOS) { GST_DEBUG_OBJECT (self, "EOS"); gst_pad_push_event (GST_VIDEO_ENCODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_ENCODER_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_ENCODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_ENCODER_SRC_PAD (self)); self->started = FALSE; } else if (flow_ret == GST_FLOW_FLUSHING) { GST_DEBUG_OBJECT (self, "Flushing -- stopping task"); gst_pad_pause_task (GST_VIDEO_ENCODER_SRC_PAD (self)); self->started = FALSE; } GST_VIDEO_ENCODER_STREAM_UNLOCK (self); return; } reconfigure_error: { GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Unable to reconfigure output port")); gst_pad_push_event (GST_VIDEO_ENCODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_ENCODER_SRC_PAD (self)); self->downstream_flow_ret = GST_FLOW_NOT_NEGOTIATED; self->started = FALSE; return; } caps_failed: { GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Failed to set caps")); gst_pad_push_event (GST_VIDEO_ENCODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_ENCODER_SRC_PAD (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_ENCODER_SRC_PAD (self), gst_event_new_eos ()); gst_pad_pause_task (GST_VIDEO_ENCODER_SRC_PAD (self)); self->downstream_flow_ret = GST_FLOW_ERROR; self->started = FALSE; GST_VIDEO_ENCODER_STREAM_UNLOCK (self); return; } } static gboolean gst_omx_video_enc_start (GstVideoEncoder * encoder) { GstOMXVideoEnc *self; self = GST_OMX_VIDEO_ENC (encoder); self->last_upstream_ts = 0; self->eos = FALSE; self->downstream_flow_ret = GST_FLOW_OK; return TRUE; } static gboolean gst_omx_video_enc_stop (GstVideoEncoder * encoder) { GstOMXVideoEnc *self; self = GST_OMX_VIDEO_ENC (encoder); GST_DEBUG_OBJECT (self, "Stopping encoder"); gst_omx_port_set_flushing (self->enc_in_port, 5 * GST_SECOND, TRUE); gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, TRUE); gst_pad_stop_task (GST_VIDEO_ENCODER_SRC_PAD (encoder)); if (gst_omx_component_get_state (self->enc, 0) > OMX_StateIdle) gst_omx_component_set_state (self->enc, OMX_StateIdle); self->downstream_flow_ret = GST_FLOW_FLUSHING; self->started = FALSE; self->eos = FALSE; if (self->input_state) gst_video_codec_state_unref (self->input_state); self->input_state = NULL; 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->enc, 5 * GST_SECOND); return TRUE; } typedef struct { GstVideoFormat format; OMX_COLOR_FORMATTYPE type; } VideoNegotiationMap; static void video_negotiation_map_free (VideoNegotiationMap * m) { g_slice_free (VideoNegotiationMap, m); } static GList * gst_omx_video_enc_get_supported_colorformats (GstOMXVideoEnc * self) { GstOMXPort *port = self->enc_in_port; GstVideoCodecState *state = self->input_state; OMX_VIDEO_PARAM_PORTFORMATTYPE param; OMX_ERRORTYPE err; GList *negotiation_map = NULL; gint old_index; GST_OMX_INIT_STRUCT (¶m); param.nPortIndex = port->index; param.nIndex = 0; if (!state || state->info.fps_n == 0) param.xFramerate = 0; else param.xFramerate = (state->info.fps_n << 16) / (state->info.fps_d); old_index = -1; do { VideoNegotiationMap *m; err = gst_omx_component_get_parameter (self->enc, OMX_IndexParamVideoPortFormat, ¶m); /* FIXME: Workaround for Bellagio that simply always * returns the same value regardless of nIndex and * never returns OMX_ErrorNoMore */ if (old_index == param.nIndex) break; if (err == OMX_ErrorNone || err == OMX_ErrorNoMore) { switch (param.eColorFormat) { case OMX_COLOR_FormatYUV420Planar: case OMX_COLOR_FormatYUV420PackedPlanar: m = g_slice_new (VideoNegotiationMap); m->format = GST_VIDEO_FORMAT_I420; m->type = param.eColorFormat; negotiation_map = g_list_append (negotiation_map, m); GST_DEBUG_OBJECT (self, "Component supports I420 (%d) at index %u", param.eColorFormat, (guint) param.nIndex); break; case OMX_COLOR_FormatYUV420SemiPlanar: m = g_slice_new (VideoNegotiationMap); m->format = GST_VIDEO_FORMAT_NV12; m->type = param.eColorFormat; negotiation_map = g_list_append (negotiation_map, m); GST_DEBUG_OBJECT (self, "Component supports NV12 (%d) at index %u", param.eColorFormat, (guint) param.nIndex); break; default: GST_DEBUG_OBJECT (self, "Component supports unsupported color format %d at index %u", param.eColorFormat, (guint) param.nIndex); break; } } old_index = param.nIndex++; } while (err == OMX_ErrorNone); return negotiation_map; } static gboolean gst_omx_video_enc_set_format (GstVideoEncoder * encoder, GstVideoCodecState * state) { GstOMXVideoEnc *self; GstOMXVideoEncClass *klass; gboolean needs_disable = FALSE; OMX_PARAM_PORTDEFINITIONTYPE port_def; GstVideoInfo *info = &state->info; GList *negotiation_map = NULL, *l; self = GST_OMX_VIDEO_ENC (encoder); klass = GST_OMX_VIDEO_ENC_GET_CLASS (encoder); GST_DEBUG_OBJECT (self, "Setting new format %s", gst_video_format_to_string (info->finfo->format)); gst_omx_port_get_port_definition (self->enc_in_port, &port_def); needs_disable = gst_omx_component_get_state (self->enc, 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) { GST_DEBUG_OBJECT (self, "Need to disable and drain encoder"); gst_omx_video_enc_drain (self, FALSE); gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, TRUE); /* Wait until the srcpad loop is finished, * unlock GST_VIDEO_ENCODER_STREAM_LOCK to prevent deadlocks * caused by using this lock from inside the loop function */ GST_VIDEO_ENCODER_STREAM_UNLOCK (self); gst_pad_stop_task (GST_VIDEO_ENCODER_SRC_PAD (encoder)); GST_VIDEO_ENCODER_STREAM_LOCK (self); if (gst_omx_port_set_enabled (self->enc_in_port, FALSE) != OMX_ErrorNone) return FALSE; if (gst_omx_port_set_enabled (self->enc_out_port, FALSE) != OMX_ErrorNone) return FALSE; if (gst_omx_port_wait_buffers_released (self->enc_in_port, 5 * GST_SECOND) != OMX_ErrorNone) return FALSE; if (gst_omx_port_wait_buffers_released (self->enc_out_port, 1 * GST_SECOND) != OMX_ErrorNone) return FALSE; if (gst_omx_port_deallocate_buffers (self->enc_in_port) != OMX_ErrorNone) return FALSE; if (gst_omx_port_deallocate_buffers (self->enc_out_port) != OMX_ErrorNone) return FALSE; if (gst_omx_port_wait_enabled (self->enc_in_port, 1 * GST_SECOND) != OMX_ErrorNone) return FALSE; if (gst_omx_port_wait_enabled (self->enc_out_port, 1 * GST_SECOND) != OMX_ErrorNone) return FALSE; GST_DEBUG_OBJECT (self, "Encoder drained and disabled"); } negotiation_map = gst_omx_video_enc_get_supported_colorformats (self); if (!negotiation_map) { /* Fallback */ switch (info->finfo->format) { case GST_VIDEO_FORMAT_I420: port_def.format.video.eColorFormat = OMX_COLOR_FormatYUV420Planar; break; case GST_VIDEO_FORMAT_NV12: port_def.format.video.eColorFormat = OMX_COLOR_FormatYUV420SemiPlanar; break; default: GST_ERROR_OBJECT (self, "Unsupported format %s", gst_video_format_to_string (info->finfo->format)); return FALSE; break; } } else { for (l = negotiation_map; l; l = l->next) { VideoNegotiationMap *m = l->data; if (m->format == info->finfo->format) { port_def.format.video.eColorFormat = m->type; break; } } g_list_free_full (negotiation_map, (GDestroyNotify) video_negotiation_map_free); } port_def.format.video.nFrameWidth = info->width; if (port_def.nBufferAlignment) port_def.format.video.nStride = (info->width + port_def.nBufferAlignment - 1) & (~(port_def.nBufferAlignment - 1)); else port_def.format.video.nStride = GST_ROUND_UP_4 (info->width); /* safe (?) default */ port_def.format.video.nFrameHeight = info->height; port_def.format.video.nSliceHeight = info->height; switch (port_def.format.video.eColorFormat) { case OMX_COLOR_FormatYUV420Planar: case OMX_COLOR_FormatYUV420PackedPlanar: port_def.nBufferSize = (port_def.format.video.nStride * port_def.format.video.nFrameHeight) + 2 * ((port_def.format.video.nStride / 2) * ((port_def.format.video.nFrameHeight + 1) / 2)); break; case OMX_COLOR_FormatYUV420SemiPlanar: port_def.nBufferSize = (port_def.format.video.nStride * port_def.format.video.nFrameHeight) + (port_def.format.video.nStride * ((port_def.format.video.nFrameHeight + 1) / 2)); break; default: g_assert_not_reached (); } if (info->fps_n == 0) { port_def.format.video.xFramerate = 0; } else { if (!(klass->cdata.hacks & GST_OMX_HACK_VIDEO_FRAMERATE_INTEGER)) port_def.format.video.xFramerate = (info->fps_n << 16) / (info->fps_d); else port_def.format.video.xFramerate = (info->fps_n) / (info->fps_d); } GST_DEBUG_OBJECT (self, "Setting inport port definition"); if (gst_omx_port_update_port_definition (self->enc_in_port, &port_def) != OMX_ErrorNone) return FALSE; if (klass->set_format) { if (!klass->set_format (self, self->enc_in_port, state)) { GST_ERROR_OBJECT (self, "Subclass failed to set the new format"); return FALSE; } } GST_DEBUG_OBJECT (self, "Updating outport port definition"); if (gst_omx_port_update_port_definition (self->enc_out_port, NULL) != OMX_ErrorNone) return FALSE; if (self->target_bitrate != 0xffffffff) { OMX_VIDEO_PARAM_BITRATETYPE config; OMX_ERRORTYPE err; GST_OMX_INIT_STRUCT (&config); config.nPortIndex = self->enc_out_port->index; config.nTargetBitrate = self->target_bitrate; config.eControlRate = self->control_rate; err = gst_omx_component_set_parameter (self->enc, OMX_IndexParamVideoBitrate, &config); if (err != OMX_ErrorNone) GST_ERROR_OBJECT (self, "Failed to set bitrate parameter: %s (0x%08x)", gst_omx_error_to_string (err), err); } GST_DEBUG_OBJECT (self, "Enabling component"); if (needs_disable) { if (gst_omx_port_set_enabled (self->enc_in_port, TRUE) != OMX_ErrorNone) return FALSE; if (gst_omx_port_allocate_buffers (self->enc_in_port) != OMX_ErrorNone) return FALSE; if (gst_omx_port_wait_enabled (self->enc_in_port, 5 * GST_SECOND) != OMX_ErrorNone) return FALSE; if (gst_omx_port_mark_reconfigured (self->enc_in_port) != OMX_ErrorNone) return FALSE; } else { /* Disable output port */ if (gst_omx_port_set_enabled (self->enc_out_port, FALSE) != OMX_ErrorNone) return FALSE; if (gst_omx_port_wait_enabled (self->enc_out_port, 1 * GST_SECOND) != OMX_ErrorNone) return FALSE; if (gst_omx_component_set_state (self->enc, OMX_StateIdle) != OMX_ErrorNone) return FALSE; /* Need to allocate buffers to reach Idle state */ if (gst_omx_port_allocate_buffers (self->enc_in_port) != OMX_ErrorNone) return FALSE; if (gst_omx_component_get_state (self->enc, GST_CLOCK_TIME_NONE) != OMX_StateIdle) return FALSE; if (gst_omx_component_set_state (self->enc, OMX_StateExecuting) != OMX_ErrorNone) return FALSE; if (gst_omx_component_get_state (self->enc, GST_CLOCK_TIME_NONE) != OMX_StateExecuting) return FALSE; } /* Unset flushing to allow ports to accept data again */ gst_omx_port_set_flushing (self->enc_in_port, 5 * GST_SECOND, FALSE); gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, FALSE); if (gst_omx_component_get_last_error (self->enc) != OMX_ErrorNone) { GST_ERROR_OBJECT (self, "Component in error state: %s (0x%08x)", gst_omx_component_get_last_error_string (self->enc), gst_omx_component_get_last_error (self->enc)); return FALSE; } if (self->input_state) gst_video_codec_state_unref (self->input_state); self->input_state = gst_video_codec_state_ref (state); /* Start the srcpad loop again */ GST_DEBUG_OBJECT (self, "Starting task again"); self->downstream_flow_ret = GST_FLOW_OK; gst_pad_start_task (GST_VIDEO_ENCODER_SRC_PAD (self), (GstTaskFunction) gst_omx_video_enc_loop, encoder, NULL); return TRUE; } static gboolean gst_omx_video_enc_reset (GstVideoEncoder * encoder, gboolean hard) { GstOMXVideoEnc *self; self = GST_OMX_VIDEO_ENC (encoder); GST_DEBUG_OBJECT (self, "Resetting encoder"); gst_omx_port_set_flushing (self->enc_in_port, 5 * GST_SECOND, TRUE); gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, TRUE); /* Wait until the srcpad loop is finished, * unlock GST_VIDEO_ENCODER_STREAM_LOCK to prevent deadlocks * caused by using this lock from inside the loop function */ GST_VIDEO_ENCODER_STREAM_UNLOCK (self); GST_PAD_STREAM_LOCK (GST_VIDEO_ENCODER_SRC_PAD (self)); GST_PAD_STREAM_UNLOCK (GST_VIDEO_ENCODER_SRC_PAD (self)); GST_VIDEO_ENCODER_STREAM_LOCK (self); gst_omx_port_set_flushing (self->enc_in_port, 5 * GST_SECOND, FALSE); gst_omx_port_set_flushing (self->enc_out_port, 5 * GST_SECOND, FALSE); gst_omx_port_populate (self->enc_out_port); /* Start the srcpad loop again */ self->last_upstream_ts = 0; self->eos = FALSE; self->downstream_flow_ret = GST_FLOW_OK; gst_pad_start_task (GST_VIDEO_ENCODER_SRC_PAD (self), (GstTaskFunction) gst_omx_video_enc_loop, encoder, NULL); return TRUE; } static gboolean gst_omx_video_enc_fill_buffer (GstOMXVideoEnc * self, GstBuffer * inbuf, GstOMXBuffer * outbuf) { GstVideoCodecState *state = gst_video_codec_state_ref (self->input_state); GstVideoInfo *info = &state->info; OMX_PARAM_PORTDEFINITIONTYPE *port_def = &self->enc_in_port->port_def; gboolean ret = FALSE; GstVideoFrame frame; if (info->width != port_def->format.video.nFrameWidth || info->height != port_def->format.video.nFrameHeight) { GST_ERROR_OBJECT (self, "Width or height do not match"); goto done; } /* Same strides and everything */ if (gst_buffer_get_size (inbuf) == outbuf->omx_buf->nAllocLen - outbuf->omx_buf->nOffset) { outbuf->omx_buf->nFilledLen = gst_buffer_get_size (inbuf); gst_buffer_extract (inbuf, 0, outbuf->omx_buf->pBuffer + outbuf->omx_buf->nOffset, outbuf->omx_buf->nFilledLen); ret = TRUE; goto done; } /* Different strides */ switch (info->finfo->format) { case GST_VIDEO_FORMAT_I420:{ gint i, j, height, width; guint8 *src, *dest; gint src_stride, dest_stride; outbuf->omx_buf->nFilledLen = 0; if (!gst_video_frame_map (&frame, info, inbuf, GST_MAP_READ)) { GST_ERROR_OBJECT (self, "Invalid input buffer size"); ret = FALSE; break; } for (i = 0; i < 3; i++) { if (i == 0) { dest_stride = port_def->format.video.nStride; src_stride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, 0); /* XXX: Try this if no stride was set */ if (dest_stride == 0) dest_stride = src_stride; } else { dest_stride = port_def->format.video.nStride / 2; src_stride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, 1); /* XXX: Try this if no stride was set */ if (dest_stride == 0) dest_stride = src_stride; } dest = outbuf->omx_buf->pBuffer + outbuf->omx_buf->nOffset; if (i > 0) dest += port_def->format.video.nSliceHeight * port_def->format.video.nStride; if (i == 2) dest += (port_def->format.video.nSliceHeight / 2) * (port_def->format.video.nStride / 2); src = GST_VIDEO_FRAME_COMP_DATA (&frame, i); height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame, i); width = GST_VIDEO_FRAME_COMP_WIDTH (&frame, i); if (dest + dest_stride * height > outbuf->omx_buf->pBuffer + outbuf->omx_buf->nAllocLen) { gst_video_frame_unmap (&frame); GST_ERROR_OBJECT (self, "Invalid output buffer size"); ret = FALSE; break; } for (j = 0; j < height; j++) { memcpy (dest, src, width); outbuf->omx_buf->nFilledLen += dest_stride; src += src_stride; dest += dest_stride; } } gst_video_frame_unmap (&frame); ret = TRUE; break; } case GST_VIDEO_FORMAT_NV12:{ gint i, j, height, width; guint8 *src, *dest; gint src_stride, dest_stride; outbuf->omx_buf->nFilledLen = 0; if (!gst_video_frame_map (&frame, info, inbuf, GST_MAP_READ)) { GST_ERROR_OBJECT (self, "Invalid input buffer size"); ret = FALSE; break; } for (i = 0; i < 2; i++) { if (i == 0) { dest_stride = port_def->format.video.nStride; src_stride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, 0); /* XXX: Try this if no stride was set */ if (dest_stride == 0) dest_stride = src_stride; } else { dest_stride = port_def->format.video.nStride; src_stride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, 1); /* XXX: Try this if no stride was set */ if (dest_stride == 0) dest_stride = src_stride; } dest = outbuf->omx_buf->pBuffer + outbuf->omx_buf->nOffset; if (i == 1) dest += port_def->format.video.nSliceHeight * port_def->format.video.nStride; src = GST_VIDEO_FRAME_COMP_DATA (&frame, i); height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame, i); width = GST_VIDEO_FRAME_COMP_WIDTH (&frame, i) * (i == 0 ? 1 : 2); if (dest + dest_stride * height > outbuf->omx_buf->pBuffer + outbuf->omx_buf->nAllocLen) { gst_video_frame_unmap (&frame); GST_ERROR_OBJECT (self, "Invalid output buffer size"); ret = FALSE; break; } for (j = 0; j < height; j++) { memcpy (dest, src, width); outbuf->omx_buf->nFilledLen += dest_stride; src += src_stride; dest += dest_stride; } } gst_video_frame_unmap (&frame); ret = TRUE; break; } default: GST_ERROR_OBJECT (self, "Unsupported format"); goto done; break; } done: gst_video_codec_state_unref (state); return ret; } static GstFlowReturn gst_omx_video_enc_handle_frame (GstVideoEncoder * encoder, GstVideoCodecFrame * frame) { GstOMXAcquireBufferReturn acq_ret = GST_OMX_ACQUIRE_BUFFER_ERROR; GstOMXVideoEnc *self; GstOMXPort *port; GstOMXBuffer *buf; OMX_ERRORTYPE err; self = GST_OMX_VIDEO_ENC (encoder); GST_DEBUG_OBJECT (self, "Handling frame"); if (self->eos) { GST_WARNING_OBJECT (self, "Got frame after EOS"); gst_video_codec_frame_unref (frame); return GST_FLOW_EOS; } if (self->downstream_flow_ret != GST_FLOW_OK) { gst_video_codec_frame_unref (frame); return self->downstream_flow_ret; } port = self->enc_in_port; while (acq_ret != GST_OMX_ACQUIRE_BUFFER_OK) { BufferIdentification *id; GstClockTime timestamp, duration; /* 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_ENCODER_STREAM_UNLOCK (self); acq_ret = gst_omx_port_acquire_buffer (port, &buf); if (acq_ret == GST_OMX_ACQUIRE_BUFFER_ERROR) { GST_VIDEO_ENCODER_STREAM_LOCK (self); goto component_error; } else if (acq_ret == GST_OMX_ACQUIRE_BUFFER_FLUSHING) { GST_VIDEO_ENCODER_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_ENCODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_wait_buffers_released (port, 5 * GST_SECOND); if (err != OMX_ErrorNone) { GST_VIDEO_ENCODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_deallocate_buffers (port); if (err != OMX_ErrorNone) { GST_VIDEO_ENCODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_wait_enabled (port, 1 * GST_SECOND); if (err != OMX_ErrorNone) { GST_VIDEO_ENCODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_set_enabled (port, TRUE); if (err != OMX_ErrorNone) { GST_VIDEO_ENCODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_allocate_buffers (port); if (err != OMX_ErrorNone) { GST_VIDEO_ENCODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_wait_enabled (port, 5 * GST_SECOND); if (err != OMX_ErrorNone) { GST_VIDEO_ENCODER_STREAM_LOCK (self); goto reconfigure_error; } err = gst_omx_port_mark_reconfigured (port); if (err != OMX_ErrorNone) { GST_VIDEO_ENCODER_STREAM_LOCK (self); goto reconfigure_error; } /* Now get a new buffer and fill it */ GST_VIDEO_ENCODER_STREAM_LOCK (self); continue; } GST_VIDEO_ENCODER_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; } /* Now handle the frame */ GST_DEBUG_OBJECT (self, "Handling frame"); if (GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame)) { OMX_CONFIG_INTRAREFRESHVOPTYPE config; GST_OMX_INIT_STRUCT (&config); config.nPortIndex = port->index; config.IntraRefreshVOP = OMX_TRUE; GST_DEBUG_OBJECT (self, "Forcing a keyframe"); err = gst_omx_component_set_config (self->enc, OMX_IndexConfigVideoIntraVOPRefresh, &config); if (err != OMX_ErrorNone) GST_ERROR_OBJECT (self, "Failed to force a keyframe: %s (0x%08x)", gst_omx_error_to_string (err), err); } /* Copy the buffer content in chunks of size as requested * by the port */ if (!gst_omx_video_enc_fill_buffer (self, frame->input_buffer, buf)) { gst_omx_port_release_buffer (port, buf); goto buffer_fill_error; } timestamp = frame->pts; if (timestamp != GST_CLOCK_TIME_NONE) { buf->omx_buf->nTimeStamp = gst_util_uint64_scale (timestamp, OMX_TICKS_PER_SECOND, GST_SECOND); self->last_upstream_ts = timestamp; } duration = frame->duration; if (duration != GST_CLOCK_TIME_NONE) { buf->omx_buf->nTickCount = gst_util_uint64_scale (buf->omx_buf->nFilledLen, duration, gst_buffer_get_size (frame->input_buffer)); self->last_upstream_ts += duration; } id = g_slice_new0 (BufferIdentification); id->timestamp = buf->omx_buf->nTimeStamp; gst_video_codec_frame_set_user_data (frame, id, (GDestroyNotify) buffer_identification_free); self->started = TRUE; err = gst_omx_port_release_buffer (port, buf); if (err != OMX_ErrorNone) goto release_error; GST_DEBUG_OBJECT (self, "Passed frame to component"); } gst_video_codec_frame_unref (frame); return self->downstream_flow_ret; full_buffer: { 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)); gst_video_codec_frame_unref (frame); return GST_FLOW_ERROR; } flow_error: { gst_video_codec_frame_unref (frame); return self->downstream_flow_ret; } 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->enc), gst_omx_component_get_last_error (self->enc))); gst_video_codec_frame_unref (frame); return GST_FLOW_ERROR; } flushing: { GST_DEBUG_OBJECT (self, "Flushing -- returning FLUSHING"); gst_video_codec_frame_unref (frame); return GST_FLOW_FLUSHING; } reconfigure_error: { GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Unable to reconfigure input port")); gst_video_codec_frame_unref (frame); return GST_FLOW_ERROR; } buffer_fill_error: { GST_ELEMENT_ERROR (self, RESOURCE, WRITE, (NULL), ("Failed to write input into the OpenMAX buffer")); gst_video_codec_frame_unref (frame); 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_enc_finish (GstVideoEncoder * encoder) { GstOMXVideoEnc *self; self = GST_OMX_VIDEO_ENC (encoder); return gst_omx_video_enc_drain (self, TRUE); } static GstFlowReturn gst_omx_video_enc_drain (GstOMXVideoEnc * self, gboolean at_eos) { GstOMXVideoEncClass *klass; GstOMXBuffer *buf; GstOMXAcquireBufferReturn acq_ret; OMX_ERRORTYPE err; GST_DEBUG_OBJECT (self, "Draining component"); klass = GST_OMX_VIDEO_ENC_GET_CLASS (self); if (!self->started) { GST_DEBUG_OBJECT (self, "Component not started yet"); return GST_FLOW_OK; } self->started = FALSE; /* Don't send EOS buffer twice, this doesn't work */ if (self->eos) { GST_DEBUG_OBJECT (self, "Component is EOS already"); return GST_FLOW_OK; } if (at_eos) self->eos = TRUE; 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_ENCODER_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->enc_in_port, &buf); if (acq_ret != GST_OMX_ACQUIRE_BUFFER_OK) { GST_VIDEO_ENCODER_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; 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->enc_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); GST_VIDEO_ENCODER_STREAM_LOCK (self); return GST_FLOW_ERROR; } GST_DEBUG_OBJECT (self, "Waiting until component is drained"); g_cond_wait (&self->drain_cond, &self->drain_lock); GST_DEBUG_OBJECT (self, "Drained component"); g_mutex_unlock (&self->drain_lock); GST_VIDEO_ENCODER_STREAM_LOCK (self); self->started = FALSE; return GST_FLOW_OK; } static gboolean gst_omx_video_enc_propose_allocation (GstVideoEncoder * encoder, GstQuery * query) { gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL); return GST_VIDEO_ENCODER_CLASS (gst_omx_video_enc_parent_class)->propose_allocation (encoder, query); } static GstCaps * gst_omx_video_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter) { GstOMXVideoEnc *self = GST_OMX_VIDEO_ENC (encoder); GList *negotiation_map = NULL, *l; GstCaps *comp_supported_caps; if (!self->enc) return gst_video_encoder_proxy_getcaps (encoder, NULL, filter); negotiation_map = gst_omx_video_enc_get_supported_colorformats (self); comp_supported_caps = gst_caps_new_empty (); for (l = negotiation_map; l; l = l->next) { VideoNegotiationMap *map = l->data; gst_caps_append_structure (comp_supported_caps, gst_structure_new ("video/x-raw", "format", G_TYPE_STRING, gst_video_format_to_string (map->format), NULL)); } if (!gst_caps_is_empty (comp_supported_caps)) { GstCaps *ret = gst_video_encoder_proxy_getcaps (encoder, comp_supported_caps, filter); gst_caps_unref (comp_supported_caps); return ret; } else { gst_caps_unref (comp_supported_caps); return gst_video_encoder_proxy_getcaps (encoder, NULL, filter); } }