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schro: Add support for video metadata and arbitrary strides

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This commit is contained in:
Sebastian Dröge 2012-07-23 11:36:01 +02:00
parent 47546ab2df
commit a7ae20305a
4 changed files with 102 additions and 33 deletions
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34
ext/schroedinger/gstschrodec.c
View file

@ -24,6 +24,8 @@
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <gst/video/video.h>
#include <gst/video/gstvideometa.h>
#include <gst/video/gstvideopool.h>
#include <gst/video/gstvideodecoder.h>
#include <string.h>
#include <schroedinger/schro.h>
@ -89,6 +91,8 @@ static GstFlowReturn gst_schro_dec_handle_frame (GstVideoDecoder * decoder,
GstVideoCodecFrame * frame);
static gboolean gst_schro_dec_finish (GstVideoDecoder * base_video_decoder);
static void gst_schrodec_send_tags (GstSchroDec * schro_dec);
static gboolean gst_schro_dec_decide_allocation (GstVideoDecoder * decoder,
GstQuery * query);
static GstStaticPadTemplate gst_schro_dec_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
@ -136,6 +140,8 @@ gst_schro_dec_class_init (GstSchroDecClass * klass)
base_video_decoder_class->handle_frame =
GST_DEBUG_FUNCPTR (gst_schro_dec_handle_frame);
base_video_decoder_class->finish = GST_DEBUG_FUNCPTR (gst_schro_dec_finish);
base_video_decoder_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_schro_dec_decide_allocation);
}
static void
@ -457,10 +463,7 @@ gst_schro_dec_process (GstSchroDec * schro_dec, gboolean eos)
outbuf =
gst_video_decoder_allocate_output_buffer (GST_VIDEO_DECODER
(schro_dec));
schro_frame =
gst_schro_buffer_wrap (outbuf, TRUE,
GST_VIDEO_INFO_FORMAT (&state->info), state->info.width,
state->info.height);
schro_frame = gst_schro_buffer_wrap (outbuf, TRUE, &state->info);
schro_decoder_add_output_picture (schro_dec->decoder, schro_frame);
gst_video_codec_state_unref (state);
break;
@ -552,3 +555,26 @@ gst_schro_dec_finish (GstVideoDecoder * base_video_decoder)
return gst_schro_dec_process (schro_dec, TRUE);
}
static gboolean
gst_schro_dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
{
GstBufferPool *pool;
GstStructure *config;
if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (decoder,
query))
return FALSE;
gst_query_parse_nth_allocation_pool (query, 0, &pool, NULL, NULL, 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_object_unref (pool);
return TRUE;
}

19
ext/schroedinger/gstschroenc.c
View file

@ -23,6 +23,7 @@
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideometa.h>
#include <gst/video/gstvideoencoder.h>
#include <gst/video/gstvideoutils.h>
#include <string.h>
@ -104,6 +105,8 @@ static GstFlowReturn gst_schro_enc_handle_frame (GstVideoEncoder *
static GstFlowReturn gst_schro_enc_pre_push (GstVideoEncoder *
base_video_encoder, GstVideoCodecFrame * frame);
static void gst_schro_enc_finalize (GObject * object);
static gboolean gst_schro_enc_propose_allocation (GstVideoEncoder * encoder,
GstQuery * query);
static GstStaticPadTemplate gst_schro_enc_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
@ -214,6 +217,8 @@ gst_schro_enc_class_init (GstSchroEncClass * klass)
basevideocoder_class->handle_frame =
GST_DEBUG_FUNCPTR (gst_schro_enc_handle_frame);
basevideocoder_class->pre_push = GST_DEBUG_FUNCPTR (gst_schro_enc_pre_push);
basevideocoder_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_schro_enc_propose_allocation);
}
static void
@ -525,9 +530,7 @@ gst_schro_enc_handle_frame (GstVideoEncoder * base_video_encoder,
/* FIXME : We could make that method just take GstVideoInfo ... */
schro_frame = gst_schro_buffer_wrap (gst_buffer_ref (frame->input_buffer),
FALSE,
GST_VIDEO_INFO_FORMAT (info),
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info));
FALSE, info);
GST_DEBUG ("pushing frame %p", frame);
schro_encoder_push_frame_full (schro_enc->encoder, schro_frame, frame);
@ -580,6 +583,16 @@ gst_schro_enc_pre_push (GstVideoEncoder * base_video_encoder,
return GST_FLOW_OK;
}
static gboolean
gst_schro_enc_propose_allocation (GstVideoEncoder * encoder, GstQuery * query)
{
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
return GST_VIDEO_ENCODER_CLASS (parent_class)->propose_allocation (encoder,
query);
}
static GstFlowReturn
gst_schro_enc_process (GstSchroEnc * schro_enc)
{

79
ext/schroedinger/gstschroutils.c
View file

@ -38,8 +38,7 @@ GST_DEBUG_CATEGORY_EXTERN (schro_debug);
typedef struct
{
GstBuffer *buf;
GstMapInfo info;
GstVideoFrame frame;
} FrameData;
@ -48,8 +47,7 @@ gst_schro_frame_free (SchroFrame * frame, void *priv)
{
FrameData *data = priv;
gst_buffer_unmap (data->buf, &data->info);
gst_buffer_unref (data->buf);
gst_video_frame_unmap (&data->frame);
g_slice_free (FrameData, data);
}
@ -58,58 +56,62 @@ GstBuffer *
gst_schro_frame_get_buffer (SchroFrame * frame)
{
if (frame->priv)
return gst_buffer_ref (((FrameData *) frame->priv)->buf);
return gst_buffer_ref (((FrameData *) frame->priv)->frame.buffer);
return NULL;
}
SchroFrame *
gst_schro_buffer_wrap (GstBuffer * buf, gboolean write, GstVideoFormat format,
int width, int height)
gst_schro_buffer_wrap (GstBuffer * buf, gboolean write, GstVideoInfo * vinfo)
{
SchroFrame *frame;
GstMapInfo info;
GstVideoFrame vframe;
FrameData *data;
gint i;
if (!gst_buffer_map (buf, &info, (write ? GST_MAP_READWRITE : GST_MAP_READ)))
if (!gst_video_frame_map (&vframe, vinfo, buf,
(write ? GST_MAP_READWRITE : GST_MAP_READ)))
return NULL;
switch (format) {
frame = schro_frame_new ();
frame->width = GST_VIDEO_FRAME_WIDTH (&vframe);
frame->height = GST_VIDEO_FRAME_HEIGHT (&vframe);
switch (GST_VIDEO_FRAME_FORMAT (&vframe)) {
case GST_VIDEO_FORMAT_I420:
frame = schro_frame_new_from_data_I420 (info.data, width, height);
break;
case GST_VIDEO_FORMAT_YV12:
frame = schro_frame_new_from_data_YV12 (info.data, width, height);
frame->format = SCHRO_FRAME_FORMAT_U8_420;
break;
case GST_VIDEO_FORMAT_YUY2:
frame = schro_frame_new_from_data_YUY2 (info.data, width, height);
frame->format = SCHRO_FRAME_FORMAT_YUYV;
break;
case GST_VIDEO_FORMAT_UYVY:
frame = schro_frame_new_from_data_UYVY (info.data, width, height);
frame->format = SCHRO_FRAME_FORMAT_UYVY;
break;
case GST_VIDEO_FORMAT_AYUV:
frame = schro_frame_new_from_data_AYUV (info.data, width, height);
frame->format = SCHRO_FRAME_FORMAT_AYUV;
break;
#if SCHRO_CHECK_VERSION(1,0,12)
case GST_VIDEO_FORMAT_ARGB:
frame = schro_frame_new_from_data_ARGB (info.data, width, height);
frame->format = SCHRO_FRAME_FORMAT_ARGB;
break;
#endif
#if SCHRO_CHECK_VERSION(1,0,11)
case GST_VIDEO_FORMAT_Y42B:
frame = schro_frame_new_from_data_Y42B (info.data, width, height);
frame->format = SCHRO_FRAME_FORMAT_U8_422;
break;
case GST_VIDEO_FORMAT_Y444:
frame = schro_frame_new_from_data_Y444 (info.data, width, height);
frame->format = SCHRO_FRAME_FORMAT_U8_444;
break;
case GST_VIDEO_FORMAT_v210:
frame = schro_frame_new_from_data_v210 (info.data, width, height);
frame->format = SCHRO_FRAME_FORMAT_v210;
break;
case GST_VIDEO_FORMAT_v216:
frame = schro_frame_new_from_data_v216 (info.data, width, height);
frame->format = SCHRO_FRAME_FORMAT_v216;
break;
case GST_VIDEO_FORMAT_AYUV64:
frame = schro_frame_new_from_data_AY64 (info.data, width, height);
frame->format = SCHRO_FRAME_FORMAT_AY64;
break;
#endif
default:
@ -117,9 +119,38 @@ gst_schro_buffer_wrap (GstBuffer * buf, gboolean write, GstVideoFormat format,
return NULL;
}
if (SCHRO_FRAME_IS_PACKED (frame->format)) {
frame->components[0].format = frame->format;
frame->components[0].width = frame->width;
frame->components[0].height = frame->height;
frame->components[0].stride = GST_VIDEO_FRAME_COMP_STRIDE (&vframe, 0);
frame->components[0].length = frame->components[0].stride * frame->height;
frame->components[0].data = vframe.data[0];
frame->components[0].v_shift = 0;
frame->components[0].h_shift = 0;
} else {
for (i = 0; i < GST_VIDEO_FRAME_N_COMPONENTS (&vframe); i++) {
frame->components[i].format = frame->format;
frame->components[i].width = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, i);
frame->components[i].height = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, i);
frame->components[i].stride = GST_VIDEO_FRAME_COMP_STRIDE (&vframe, i);
frame->components[i].length =
frame->components[i].stride * frame->components[i].height;
frame->components[i].data = GST_VIDEO_FRAME_COMP_DATA (&vframe, i);
if (i == 0) {
frame->components[i].v_shift = 0;
frame->components[i].h_shift = 0;
} else {
frame->components[i].v_shift =
SCHRO_FRAME_FORMAT_H_SHIFT (frame->format);
frame->components[i].h_shift =
SCHRO_FRAME_FORMAT_H_SHIFT (frame->format);
}
}
}
data = g_slice_new0 (FrameData);
data->buf = buf;
data->info = info;
data->frame = vframe;
schro_frame_set_free_callback (frame, gst_schro_frame_free, data);
return frame;

3
ext/schroedinger/gstschroutils.h
View file

@ -35,8 +35,7 @@
#endif
SchroFrame *
gst_schro_buffer_wrap (GstBuffer *buf, gboolean write, GstVideoFormat format, int width,
int height);
gst_schro_buffer_wrap (GstBuffer *buf, gboolean write, GstVideoInfo * vinfo);
GstBuffer * gst_schro_frame_get_buffer (SchroFrame * frame);
GstBuffer * gst_schro_wrap_schro_buffer (SchroBuffer *buffer);