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codecmap: Add utility for using with GstVideoFormat

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This commit is contained in:
Edward Hervey 2012-04-24 11:31:44 +02:00
parent 630790f50d
commit 04a2d01877
2 changed files with 130 additions and 1 deletions
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123
ext/ffmpeg/gstffmpegcodecmap.c
View file

@ -2194,6 +2194,126 @@ gst_ffmpeg_caps_to_pixfmt (const GstCaps * caps,
}
}
typedef struct
{
GstVideoFormat format;
enum PixelFormat pixfmt;
} PixToFmt;
/* FIXME : FILLME */
static const PixToFmt pixtofmttable[] = {
/* GST_VIDEO_FORMAT_I420, */
{GST_VIDEO_FORMAT_I420, PIX_FMT_YUV420P},
/* Note : this should use a different chroma placement */
{GST_VIDEO_FORMAT_I420, PIX_FMT_YUVJ420P},
/* GST_VIDEO_FORMAT_YV12, */
/* GST_VIDEO_FORMAT_YUY2, */
{GST_VIDEO_FORMAT_YUY2, PIX_FMT_YUYV422},
/* GST_VIDEO_FORMAT_UYVY, */
{GST_VIDEO_FORMAT_UYVY, PIX_FMT_UYVY422},
/* GST_VIDEO_FORMAT_AYUV, */
/* GST_VIDEO_FORMAT_RGBx, */
/* GST_VIDEO_FORMAT_BGRx, */
/* GST_VIDEO_FORMAT_xRGB, */
/* GST_VIDEO_FORMAT_xBGR, */
/* GST_VIDEO_FORMAT_RGBA, */
{GST_VIDEO_FORMAT_RGBA, PIX_FMT_RGB32},
/* GST_VIDEO_FORMAT_BGRA, */
{GST_VIDEO_FORMAT_BGRA, PIX_FMT_BGR32},
/* GST_VIDEO_FORMAT_ARGB, */
/* GST_VIDEO_FORMAT_ABGR, */
/* GST_VIDEO_FORMAT_RGB, */
{GST_VIDEO_FORMAT_RGB, PIX_FMT_RGB24},
/* GST_VIDEO_FORMAT_BGR, */
{GST_VIDEO_FORMAT_BGR, PIX_FMT_BGR24},
/* GST_VIDEO_FORMAT_Y41B, */
{GST_VIDEO_FORMAT_Y41B, PIX_FMT_YUV410P},
/* GST_VIDEO_FORMAT_Y42B, */
{GST_VIDEO_FORMAT_Y42B, PIX_FMT_YUV422P},
/* GST_VIDEO_FORMAT_YVYU, */
/* GST_VIDEO_FORMAT_Y444, */
{GST_VIDEO_FORMAT_Y444, PIX_FMT_YUV444P},
/* GST_VIDEO_FORMAT_v210, */
/* GST_VIDEO_FORMAT_v216, */
/* GST_VIDEO_FORMAT_NV12, */
{GST_VIDEO_FORMAT_NV12, PIX_FMT_NV12},
/* GST_VIDEO_FORMAT_NV21, */
{GST_VIDEO_FORMAT_NV21, PIX_FMT_NV21},
/* GST_VIDEO_FORMAT_GRAY8, */
{GST_VIDEO_FORMAT_GRAY8, PIX_FMT_GRAY8},
/* GST_VIDEO_FORMAT_GRAY16_BE, */
{GST_VIDEO_FORMAT_GRAY16_BE, PIX_FMT_GRAY16BE},
/* GST_VIDEO_FORMAT_GRAY16_LE, */
{GST_VIDEO_FORMAT_GRAY16_LE, PIX_FMT_GRAY16LE},
/* GST_VIDEO_FORMAT_v308, */
/* GST_VIDEO_FORMAT_Y800, */
/* GST_VIDEO_FORMAT_Y16, */
/* GST_VIDEO_FORMAT_RGB16, */
{GST_VIDEO_FORMAT_RGB16, PIX_FMT_RGB565},
/* GST_VIDEO_FORMAT_BGR16, */
/* GST_VIDEO_FORMAT_RGB15, */
{GST_VIDEO_FORMAT_RGB15, PIX_FMT_RGB555},
/* GST_VIDEO_FORMAT_BGR15, */
/* GST_VIDEO_FORMAT_UYVP, */
/* GST_VIDEO_FORMAT_A420, */
{GST_VIDEO_FORMAT_A420, PIX_FMT_YUVA420P},
/* GST_VIDEO_FORMAT_RGB8_PALETTED, */
{GST_VIDEO_FORMAT_RGB8_PALETTED, PIX_FMT_PAL8},
/* GST_VIDEO_FORMAT_YUV9, */
/* GST_VIDEO_FORMAT_YVU9, */
/* GST_VIDEO_FORMAT_IYU1, */
/* GST_VIDEO_FORMAT_ARGB64, */
/* GST_VIDEO_FORMAT_AYUV64, */
/* GST_VIDEO_FORMAT_r210, */
};
GstVideoFormat
gst_ffmpeg_pixfmt_to_videoformat (enum PixelFormat pixfmt)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (pixtofmttable); i++)
if (pixtofmttable[i].pixfmt == pixfmt)
return pixtofmttable[i].format;
GST_WARNING ("Unknown pixel format %d", pixfmt);
return GST_VIDEO_FORMAT_UNKNOWN;
}
enum PixelFormat
gst_ffmpeg_videoformat_to_pixfmt (GstVideoFormat format)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (pixtofmttable); i++)
if (pixtofmttable[i].format == format)
return pixtofmttable[i].pixfmt;
return PIX_FMT_NONE;
}
void
gst_ffmpeg_videoinfo_to_context (GstVideoInfo * info, AVCodecContext * context)
{
gint i, bpp = 0;
context->width = GST_VIDEO_INFO_WIDTH (info);
context->height = GST_VIDEO_INFO_WIDTH (info);
for (i = 0; i < GST_VIDEO_INFO_N_COMPONENTS (info); i++)
bpp += GST_VIDEO_INFO_COMP_DEPTH (info, i);
context->bits_per_coded_sample = bpp;
context->ticks_per_frame = 1;
context->time_base.den = GST_VIDEO_INFO_FPS_N (info);
context->time_base.num = GST_VIDEO_INFO_FPS_D (info);
context->sample_aspect_ratio.num = GST_VIDEO_INFO_PAR_N (info);
context->sample_aspect_ratio.den = GST_VIDEO_INFO_PAR_D (info);
context->pix_fmt =
gst_ffmpeg_videoformat_to_pixfmt (GST_VIDEO_INFO_FORMAT (info));
}
/* Convert a GstCaps and a FFMPEG codec Type to a
* AVCodecContext. If the context is ommitted, no fixed values
* for video/audio size will be included in the context
@ -2885,7 +3005,8 @@ gst_ffmpeg_caps_to_codecid (const GstCaps * caps, AVCodecContext * context)
if (gst_structure_get_int (structure, "endianness", &endianness) &&
gst_structure_get_boolean (structure, "signed", &signedness) &&
gst_structure_get_int (structure, "width", &width) &&
gst_structure_get_int (structure, "depth", &depth) && depth == width) {
gst_structure_get_int (structure, "depth", &depth)
&& depth == width) {
switch (depth) {
case 8:
if (signedness) {

8
ext/ffmpeg/gstffmpegcodecmap.h
View file

@ -27,6 +27,7 @@
#endif
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/audio/multichannel.h>
/*
@ -91,6 +92,13 @@ gst_ffmpeg_caps_with_codectype (enum AVMediaType type,
const GstCaps *caps,
AVCodecContext *context);
void
gst_ffmpeg_videoinfo_to_context (GstVideoInfo *info,
AVCodecContext *context);
GstVideoFormat gst_ffmpeg_pixfmt_to_videoformat (enum PixelFormat pixfmt);
enum PixelFormat gst_ffmpeg_videoformat_to_pixfmt (GstVideoFormat format);
/*
* _formatid_to_caps () is meant for muxers/demuxers, it
* transforms a name (ffmpeg way of ID'ing these, why don't