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Diffstat (limited to 'contrib/ffmpeg/libavcodec/raw.c')
-rw-r--r--contrib/ffmpeg/libavcodec/raw.c165
1 files changed, 4 insertions, 161 deletions
diff --git a/contrib/ffmpeg/libavcodec/raw.c b/contrib/ffmpeg/libavcodec/raw.c
index 268779803..d0cf50d9e 100644
--- a/contrib/ffmpeg/libavcodec/raw.c
+++ b/contrib/ffmpeg/libavcodec/raw.c
@@ -25,19 +25,9 @@
*/
#include "avcodec.h"
+#include "raw.h"
-typedef struct RawVideoContext {
- unsigned char * buffer; /* block of memory for holding one frame */
- int length; /* number of bytes in buffer */
- AVFrame pic; ///< AVCodecContext.coded_frame
-} RawVideoContext;
-
-typedef struct PixelFormatTag {
- int pix_fmt;
- unsigned int fourcc;
-} PixelFormatTag;
-
-static const PixelFormatTag pixelFormatTags[] = {
+const PixelFormatTag ff_raw_pixelFormatTags[] = {
{ PIX_FMT_YUV420P, MKTAG('I', '4', '2', '0') }, /* Planar formats */
{ PIX_FMT_YUV420P, MKTAG('I', 'Y', 'U', 'V') },
{ PIX_FMT_YUV420P, MKTAG('Y', 'V', '1', '2') },
@@ -51,6 +41,7 @@ static const PixelFormatTag pixelFormatTags[] = {
{ PIX_FMT_YUYV422, MKTAG('Y', 'U', 'Y', '2') }, /* Packed formats */
{ PIX_FMT_YUYV422, MKTAG('Y', '4', '2', '2') },
{ PIX_FMT_UYVY422, MKTAG('U', 'Y', 'V', 'Y') },
+ { PIX_FMT_UYVY422, MKTAG('H', 'D', 'Y', 'C') },
{ PIX_FMT_GRAY8, MKTAG('G', 'R', 'E', 'Y') },
{ PIX_FMT_RGB555, MKTAG('R', 'G', 'B', 15) },
{ PIX_FMT_BGR555, MKTAG('B', 'G', 'R', 15) },
@@ -64,38 +55,9 @@ static const PixelFormatTag pixelFormatTags[] = {
{ -1, 0 },
};
-static const PixelFormatTag pixelFormatBpsAVI[] = {
- { PIX_FMT_PAL8, 8 },
- { PIX_FMT_RGB555, 15 },
- { PIX_FMT_RGB555, 16 },
- { PIX_FMT_BGR24, 24 },
- { PIX_FMT_RGB32, 32 },
- { -1, 0 },
-};
-
-static const PixelFormatTag pixelFormatBpsMOV[] = {
- /* FIXME fix swscaler to support those */
- /* http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html */
- { PIX_FMT_PAL8, 8 },
- { PIX_FMT_BGR555, 16 },
- { PIX_FMT_RGB24, 24 },
- { PIX_FMT_BGR32_1, 32 },
- { -1, 0 },
-};
-
-static int findPixelFormat(const PixelFormatTag *tags, unsigned int fourcc)
-{
- while (tags->pix_fmt >= 0) {
- if (tags->fourcc == fourcc)
- return tags->pix_fmt;
- tags++;
- }
- return PIX_FMT_YUV420P;
-}
-
unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat fmt)
{
- const PixelFormatTag * tags = pixelFormatTags;
+ const PixelFormatTag * tags = ff_raw_pixelFormatTags;
while (tags->pix_fmt >= 0) {
if (tags->pix_fmt == fmt)
return tags->fourcc;
@@ -103,122 +65,3 @@ unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat fmt)
}
return 0;
}
-
-/* RAW Decoder Implementation */
-
-static int raw_init_decoder(AVCodecContext *avctx)
-{
- RawVideoContext *context = avctx->priv_data;
-
- if (avctx->codec_tag == MKTAG('r','a','w',' '))
- avctx->pix_fmt = findPixelFormat(pixelFormatBpsMOV, avctx->bits_per_sample);
- else if (avctx->codec_tag)
- avctx->pix_fmt = findPixelFormat(pixelFormatTags, avctx->codec_tag);
- else if (avctx->bits_per_sample)
- avctx->pix_fmt = findPixelFormat(pixelFormatBpsAVI, avctx->bits_per_sample);
-
- context->length = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height);
- context->buffer = av_malloc(context->length);
- context->pic.pict_type = FF_I_TYPE;
- context->pic.key_frame = 1;
-
- avctx->coded_frame= &context->pic;
-
- if (!context->buffer)
- return -1;
-
- return 0;
-}
-
-static void flip(AVCodecContext *avctx, AVPicture * picture){
- if(!avctx->codec_tag && avctx->bits_per_sample && picture->linesize[2]==0){
- picture->data[0] += picture->linesize[0] * (avctx->height-1);
- picture->linesize[0] *= -1;
- }
-}
-
-static int raw_decode(AVCodecContext *avctx,
- void *data, int *data_size,
- uint8_t *buf, int buf_size)
-{
- RawVideoContext *context = avctx->priv_data;
-
- AVFrame * frame = (AVFrame *) data;
- AVPicture * picture = (AVPicture *) data;
-
- frame->interlaced_frame = avctx->coded_frame->interlaced_frame;
- frame->top_field_first = avctx->coded_frame->top_field_first;
-
- if(buf_size < context->length - (avctx->pix_fmt==PIX_FMT_PAL8 ? 256*4 : 0))
- return -1;
-
- avpicture_fill(picture, buf, avctx->pix_fmt, avctx->width, avctx->height);
- if(avctx->pix_fmt==PIX_FMT_PAL8 && buf_size < context->length){
- frame->data[1]= context->buffer;
- }
- if (avctx->palctrl && avctx->palctrl->palette_changed) {
- memcpy(frame->data[1], avctx->palctrl->palette, AVPALETTE_SIZE);
- avctx->palctrl->palette_changed = 0;
- }
-
- flip(avctx, picture);
-
- if (avctx->codec_tag == MKTAG('Y', 'V', '1', '2'))
- {
- // swap fields
- unsigned char *tmp = picture->data[1];
- picture->data[1] = picture->data[2];
- picture->data[2] = tmp;
- }
-
- *data_size = sizeof(AVPicture);
- return buf_size;
-}
-
-static int raw_close_decoder(AVCodecContext *avctx)
-{
- RawVideoContext *context = avctx->priv_data;
-
- av_freep(&context->buffer);
- return 0;
-}
-
-/* RAW Encoder Implementation */
-#ifdef CONFIG_RAWVIDEO_ENCODER
-static int raw_init_encoder(AVCodecContext *avctx)
-{
- avctx->coded_frame = (AVFrame *)avctx->priv_data;
- avctx->coded_frame->pict_type = FF_I_TYPE;
- avctx->coded_frame->key_frame = 1;
- if(!avctx->codec_tag)
- avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt);
- return 0;
-}
-
-static int raw_encode(AVCodecContext *avctx,
- unsigned char *frame, int buf_size, void *data)
-{
- return avpicture_layout((AVPicture *)data, avctx->pix_fmt, avctx->width,
- avctx->height, frame, buf_size);
-}
-
-AVCodec rawvideo_encoder = {
- "rawvideo",
- CODEC_TYPE_VIDEO,
- CODEC_ID_RAWVIDEO,
- sizeof(AVFrame),
- raw_init_encoder,
- raw_encode,
-};
-#endif // CONFIG_RAWVIDEO_ENCODER
-
-AVCodec rawvideo_decoder = {
- "rawvideo",
- CODEC_TYPE_VIDEO,
- CODEC_ID_RAWVIDEO,
- sizeof(RawVideoContext),
- raw_init_decoder,
- NULL,
- raw_close_decoder,
- raw_decode,
-};
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-27 06:58:10 +0000