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ext/ffmpeg/: Sync with gst-plugins ffmpegcolorspace, align-by-4. Ready to re-sync gst-plugins ffmpegcolorspace with o...

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Original commit message from CVS:
* ext/ffmpeg/gstffmpegcodecmap.c: (gst_ffmpeg_avpicture_fill):
* ext/ffmpeg/gstffmpegcodecmap.h:
* ext/ffmpeg/gstffmpegcolorspace.c: (gst_ffmpegcsp_chain):
* ext/ffmpeg/gstffmpegdec.c: (gst_ffmpegdec_get_buffer),
(gst_ffmpegdec_chain):
* ext/ffmpeg/gstffmpegenc.c: (gst_ffmpegenc_chain_video):
Sync with gst-plugins ffmpegcolorspace, align-by-4. Ready to
re-sync gst-plugins ffmpegcolorspace with ours and deprecate
this one.
This commit is contained in:
Ronald S. Bultje 2004-10-29 09:47:41 +00:00
parent 7b83a2201e
commit 0e41db4c65
6 changed files with 316 additions and 8 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
2004-10-29 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* ext/ffmpeg/gstffmpegcodecmap.c: (gst_ffmpeg_avpicture_fill):
* ext/ffmpeg/gstffmpegcodecmap.h:
* ext/ffmpeg/gstffmpegcolorspace.c: (gst_ffmpegcsp_chain):
* ext/ffmpeg/gstffmpegdec.c: (gst_ffmpegdec_get_buffer),
(gst_ffmpegdec_chain):
* ext/ffmpeg/gstffmpegenc.c: (gst_ffmpegenc_chain_video):
Sync with gst-plugins ffmpegcolorspace, align-by-4. Ready to
re-sync gst-plugins ffmpegcolorspace with ours and deprecate
this one.
2004-10-25 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* ext/ffmpeg/gstffmpegcolorspace.c: (gst_ffmpegcsp_pad_link):

280
ext/ffmpeg/gstffmpegcodecmap.c
View file

@ -1953,3 +1953,283 @@ gst_ffmpeg_get_codecid_longname (enum CodecID codec_id)
return name;
}
/*
* Fill in pointers to memory in a AVPicture, where
* everything is aligned by 4 (as required by X).
* This is mostly a copy from imgconvert.c with some
* small changes.
*/
#define FF_COLOR_RGB 0 /* RGB color space */
#define FF_COLOR_GRAY 1 /* gray color space */
#define FF_COLOR_YUV 2 /* YUV color space. 16 <= Y <= 235, 16 <= U, V <= 240 */
#define FF_COLOR_YUV_JPEG 3 /* YUV color space. 0 <= Y <= 255, 0 <= U, V <= 255 */
#define FF_PIXEL_PLANAR 0 /* each channel has one component in AVPicture */
#define FF_PIXEL_PACKED 1 /* only one components containing all the channels */
#define FF_PIXEL_PALETTE 2 /* one components containing indexes for a palette */
typedef struct PixFmtInfo {
const char *name;
uint8_t nb_channels; /* number of channels (including alpha) */
uint8_t color_type; /* color type (see FF_COLOR_xxx constants) */
uint8_t pixel_type; /* pixel storage type (see FF_PIXEL_xxx constants) */
uint8_t is_alpha : 1; /* true if alpha can be specified */
uint8_t x_chroma_shift; /* X chroma subsampling factor is 2 ^ shift */
uint8_t y_chroma_shift; /* Y chroma subsampling factor is 2 ^ shift */
uint8_t depth; /* bit depth of the color components */
} PixFmtInfo;
/* this table gives more information about formats */
static PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
/* YUV formats */
[PIX_FMT_YUV420P] = {
.name = "yuv420p",
.nb_channels = 3,
.color_type = FF_COLOR_YUV,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 8,
.x_chroma_shift = 1, .y_chroma_shift = 1,
},
[PIX_FMT_YUV422P] = {
.name = "yuv422p",
.nb_channels = 3,
.color_type = FF_COLOR_YUV,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 8,
.x_chroma_shift = 1, .y_chroma_shift = 0,
},
[PIX_FMT_YUV444P] = {
.name = "yuv444p",
.nb_channels = 3,
.color_type = FF_COLOR_YUV,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_YUV422] = {
.name = "yuv422",
.nb_channels = 1,
.color_type = FF_COLOR_YUV,
.pixel_type = FF_PIXEL_PACKED,
.depth = 8,
.x_chroma_shift = 1, .y_chroma_shift = 0,
},
[PIX_FMT_YUV410P] = {
.name = "yuv410p",
.nb_channels = 3,
.color_type = FF_COLOR_YUV,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 8,
.x_chroma_shift = 2, .y_chroma_shift = 2,
},
[PIX_FMT_YUV411P] = {
.name = "yuv411p",
.nb_channels = 3,
.color_type = FF_COLOR_YUV,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 8,
.x_chroma_shift = 2, .y_chroma_shift = 0,
},
/* JPEG YUV */
[PIX_FMT_YUVJ420P] = {
.name = "yuvj420p",
.nb_channels = 3,
.color_type = FF_COLOR_YUV_JPEG,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 8,
.x_chroma_shift = 1, .y_chroma_shift = 1,
},
[PIX_FMT_YUVJ422P] = {
.name = "yuvj422p",
.nb_channels = 3,
.color_type = FF_COLOR_YUV_JPEG,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 8,
.x_chroma_shift = 1, .y_chroma_shift = 0,
},
[PIX_FMT_YUVJ444P] = {
.name = "yuvj444p",
.nb_channels = 3,
.color_type = FF_COLOR_YUV_JPEG,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
/* RGB formats */
[PIX_FMT_RGB24] = {
.name = "rgb24",
.nb_channels = 3,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_BGR24] = {
.name = "bgr24",
.nb_channels = 3,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_RGBA32] = {
.name = "rgba32",
.nb_channels = 4, .is_alpha = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_RGB565] = {
.name = "rgb565",
.nb_channels = 3,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 5,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_RGB555] = {
.name = "rgb555",
.nb_channels = 4, .is_alpha = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 5,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
/* gray / mono formats */
[PIX_FMT_GRAY8] = {
.name = "gray",
.nb_channels = 1,
.color_type = FF_COLOR_GRAY,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 8,
},
[PIX_FMT_MONOWHITE] = {
.name = "monow",
.nb_channels = 1,
.color_type = FF_COLOR_GRAY,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 1,
},
[PIX_FMT_MONOBLACK] = {
.name = "monob",
.nb_channels = 1,
.color_type = FF_COLOR_GRAY,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 1,
},
/* paletted formats */
[PIX_FMT_PAL8] = {
.name = "pal8",
.nb_channels = 4, .is_alpha = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PALETTE,
.depth = 8,
},
};
#define ROUND_UP_4(x) (((x) + 3) & ~3)
int
gst_ffmpeg_avpicture_fill (AVPicture * picture,
uint8_t * ptr, enum PixelFormat pix_fmt, int width, int height)
{
int size, w2, h2, size2;
int stride, stride2;
PixFmtInfo *pinfo;
pinfo = &pix_fmt_info[pix_fmt];
stride = ROUND_UP_4 (width);
size = stride * height;
switch (pix_fmt) {
case PIX_FMT_YUV420P:
case PIX_FMT_YUV422P:
case PIX_FMT_YUV444P:
case PIX_FMT_YUV410P:
case PIX_FMT_YUV411P:
case PIX_FMT_YUVJ420P:
case PIX_FMT_YUVJ422P:
case PIX_FMT_YUVJ444P:
stride = ROUND_UP_4 (width);
size = stride * height;
w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift;
stride2 = ROUND_UP_4 (w2);
h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
size2 = stride2 * h2;
picture->data[0] = ptr;
picture->data[1] = picture->data[0] + size;
picture->data[2] = picture->data[1] + size2;
picture->linesize[0] = stride;
picture->linesize[1] = stride2;
picture->linesize[2] = stride2;
return size + 2 * size2;
case PIX_FMT_RGB24:
case PIX_FMT_BGR24:
stride = ROUND_UP_4 (width * 3);
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->linesize[0] = stride;
return size;
case PIX_FMT_RGBA32:
stride = width * 4;
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->linesize[0] = stride;
return size;
case PIX_FMT_RGB555:
case PIX_FMT_RGB565:
case PIX_FMT_YUV422:
stride = ROUND_UP_4 (width * 2);
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->linesize[0] = stride;
return size;
case PIX_FMT_GRAY8:
stride = ROUND_UP_4 (width);
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->linesize[0] = stride;
return size;
case PIX_FMT_MONOWHITE:
case PIX_FMT_MONOBLACK:
stride = ROUND_UP_4 ((width + 7) >> 3);
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->linesize[0] = stride;
return size;
case PIX_FMT_PAL8:
/* already forced to be with stride, so same result as other function */
stride = ROUND_UP_4 (width);
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = ptr + size; /* palette is stored here as 256 32 bit words */
picture->data[2] = NULL;
picture->linesize[0] = stride;
picture->linesize[1] = 4;
return size + 256 * 4;
default:
picture->data[0] = NULL;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->data[3] = NULL;
return -1;
}
return 0;
}

11
ext/ffmpeg/gstffmpegcodecmap.h
View file

@ -95,6 +95,17 @@ gst_ffmpeg_formatid_to_caps (const gchar *format_name);
G_CONST_RETURN gchar *
gst_ffmpeg_get_codecid_longname (enum CodecID codec_id);
/*
* Fill in pointers in an AVPicture, aligned by 4 (required by X).
*/
int
gst_ffmpeg_avpicture_fill (AVPicture * picture,
uint8_t * ptr,
enum PixelFormat pix_fmt,
int width,
int height);
/*
* FFMPEG debugging function; maybe move to a different file.
*/

9
ext/ffmpeg/gstffmpegcolorspace.c
View file

@ -362,17 +362,20 @@ gst_ffmpegcsp_chain (GstPad * pad, GstData * data)
if (space->from_pixfmt == space->to_pixfmt) {
outbuf = inbuf;
} else {
#define ROUND_UP_4(x) (((x) + 3) & ~3)
guint size = avpicture_get_size (space->to_pixfmt,
space->width, space->height);
ROUND_UP_4 (space->width), ROUND_UP_4 (space->height));
outbuf = gst_pad_alloc_buffer (space->srcpad, GST_BUFFER_OFFSET_NONE, size);
/* convert */
avpicture_fill ((AVPicture *) space->from_frame, GST_BUFFER_DATA (inbuf),
gst_ffmpeg_avpicture_fill ((AVPicture *) space->from_frame,
GST_BUFFER_DATA (inbuf),
space->from_pixfmt, space->width, space->height);
if (space->palette)
space->from_frame->data[1] = (uint8_t *) space->palette;
avpicture_fill ((AVPicture *) space->to_frame, GST_BUFFER_DATA (outbuf),
gst_ffmpeg_avpicture_fill ((AVPicture *) space->to_frame,
GST_BUFFER_DATA (outbuf),
space->to_pixfmt, space->width, space->height);
img_convert ((AVPicture *) space->to_frame, space->to_pixfmt,
(AVPicture *) space->from_frame, space->from_pixfmt,

10
ext/ffmpeg/gstffmpegdec.c
View file

@ -317,7 +317,8 @@ gst_ffmpegdec_get_buffer (AVCodecContext * context, AVFrame * picture)
bufsize = avpicture_get_size (context->pix_fmt,
context->width, context->height);
buf = gst_buffer_new_and_alloc (bufsize);
avpicture_fill ((AVPicture *) picture, GST_BUFFER_DATA (buf),
gst_ffmpeg_avpicture_fill ((AVPicture *) picture,
GST_BUFFER_DATA (buf),
context->pix_fmt, context->width, context->height);
break;
@ -405,16 +406,17 @@ gst_ffmpegdec_chain (GstPad * pad, GstData * _data)
ffmpegdec->picture, &have_data, data, size);
if (len >= 0 && have_data) {
#define ROUND_UP_4(x) (((x) + 3) & ~3)
/* libavcodec constantly crashes on stupid buffer allocation
* errors inside. This drives me crazy, so we let it allocate
* it's own buffers and copy to our own buffer afterwards... */
AVPicture pic;
gint size = avpicture_get_size (ffmpegdec->context->pix_fmt,
ffmpegdec->context->width,
ffmpegdec->context->height);
ROUND_UP_4 (ffmpegdec->context->width),
ROUND_UP_4 (ffmpegdec->context->height));
outbuf = gst_buffer_new_and_alloc (size);
avpicture_fill (&pic, GST_BUFFER_DATA (outbuf),
gst_ffmpeg_avpicture_fill (&pic, GST_BUFFER_DATA (outbuf),
ffmpegdec->context->pix_fmt,
ffmpegdec->context->width, ffmpegdec->context->height);
img_convert (&pic, ffmpegdec->context->pix_fmt,

2
ext/ffmpeg/gstffmpegenc.c
View file

@ -421,7 +421,7 @@ gst_ffmpegenc_chain_video (GstPad * pad, GstData * _data)
/* FIXME: events (discont (flush!) and eos (close down) etc.) */
outbuf = gst_buffer_new_and_alloc (ffmpegenc->buffer_size);
avpicture_fill ((AVPicture *) ffmpegenc->picture,
gst_ffmpeg_avpicture_fill ((AVPicture *) ffmpegenc->picture,
GST_BUFFER_DATA (inbuf),
ffmpegenc->context->pix_fmt,
ffmpegenc->context->width, ffmpegenc->context->height);