* MPEG1/2 encoder
*/
+#include <stdint.h>
+
#include "libavutil/attributes.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
+#include "libavutil/stereo3d.h"
+
#include "avcodec.h"
#include "bytestream.h"
#include "mathops.h"
#include "mpeg12.h"
#include "mpeg12data.h"
+#include "mpegutils.h"
#include "mpegvideo.h"
{
MpegEncContext *s = avctx->priv_data;
- if (ff_MPV_encode_init(avctx) < 0)
+ if (ff_mpv_encode_init(avctx) < 0)
return -1;
if (find_frame_rate_index(s) < 0) {
if (aspect_ratio == 0.0)
aspect_ratio = 1.0; // pixel aspect 1.1 (VGA)
- if (s->current_picture.f.key_frame) {
+ if (s->current_picture.f->key_frame) {
AVRational framerate = ff_mpeg12_frame_rate_tab[s->frame_rate_index];
/* mpeg1 header repeated every gop */
put_bits(&s->pb, 1, s->low_delay);
put_bits(&s->pb, 2, 0); // frame_rate_ext_n
put_bits(&s->pb, 5, 0); // frame_rate_ext_d
+
+ put_header(s, EXT_START_CODE);
+ put_bits(&s->pb, 4, 2); // sequence display extension
+ put_bits(&s->pb, 3, 0); // video_format: 0 is components
+ put_bits(&s->pb, 1, 1); // colour_description
+ put_bits(&s->pb, 8, s->avctx->color_primaries); // colour_primaries
+ put_bits(&s->pb, 8, s->avctx->color_trc); // transfer_characteristics
+ put_bits(&s->pb, 8, s->avctx->colorspace); // matrix_coefficients
+ put_bits(&s->pb, 14, s->width); // display_horizontal_size
+ put_bits(&s->pb, 1, 1); // marker_bit
+ put_bits(&s->pb, 14, s->height); // display_vertical_size
+ put_bits(&s->pb, 3, 0); // remaining 3 bits are zero padding
}
put_header(s, GOP_START_CODE);
/* time code: we must convert from the real frame rate to a
* fake MPEG frame rate in case of low frame rate */
fps = (framerate.num + framerate.den / 2) / framerate.den;
- time_code = s->current_picture_ptr->f.coded_picture_number +
+ time_code = s->current_picture_ptr->f->coded_picture_number +
s->avctx->timecode_frame_start;
- s->gop_picture_number = s->current_picture_ptr->f.coded_picture_number;
+ s->gop_picture_number = s->current_picture_ptr->f->coded_picture_number;
if (s->drop_frame_timecode) {
/* only works for NTSC 29.97 */
int d = time_code / 17982;
void ff_mpeg1_encode_picture_header(MpegEncContext *s, int picture_number)
{
+ AVFrameSideData *side_data;
mpeg1_encode_sequence_header(s);
/* mpeg1 picture header */
if (s->progressive_sequence)
put_bits(&s->pb, 1, 0); /* no repeat */
else
- put_bits(&s->pb, 1, s->current_picture_ptr->f.top_field_first);
+ put_bits(&s->pb, 1, s->current_picture_ptr->f->top_field_first);
/* XXX: optimize the generation of this flag with entropy measures */
s->frame_pred_frame_dct = s->progressive_sequence;
for (i = 0; i < sizeof(svcd_scan_offset_placeholder); i++)
put_bits(&s->pb, 8, svcd_scan_offset_placeholder[i]);
}
+ side_data = av_frame_get_side_data(s->current_picture_ptr->f,
+ AV_FRAME_DATA_STEREO3D);
+ if (side_data) {
+ AVStereo3D *stereo = (AVStereo3D *)side_data->data;
+ uint8_t fpa_type;
+
+ switch (stereo->type) {
+ case AV_STEREO3D_SIDEBYSIDE:
+ fpa_type = 0x03;
+ break;
+ case AV_STEREO3D_TOPBOTTOM:
+ fpa_type = 0x04;
+ break;
+ case AV_STEREO3D_2D:
+ fpa_type = 0x08;
+ break;
+ case AV_STEREO3D_SIDEBYSIDE_QUINCUNX:
+ fpa_type = 0x23;
+ break;
+ default:
+ fpa_type = 0;
+ break;
+ }
+
+ if (fpa_type != 0) {
+ put_header(s, USER_START_CODE);
+ put_bits(&s->pb, 8, 'J'); // S3D_video_format_signaling_identifier
+ put_bits(&s->pb, 8, 'P');
+ put_bits(&s->pb, 8, '3');
+ put_bits(&s->pb, 8, 'D');
+ put_bits(&s->pb, 8, 0x03); // S3D_video_format_length
+
+ put_bits(&s->pb, 1, 1); // reserved_bit
+ put_bits(&s->pb, 7, fpa_type); // S3D_video_format_type
+ put_bits(&s->pb, 8, 0x04); // reserved_data[0]
+ put_bits(&s->pb, 8, 0xFF); // reserved_data[1]
+ }
+ }
s->mb_y = 0;
ff_mpeg1_encode_slice_header(s);
AVCodec ff_mpeg1video_encoder = {
.name = "mpeg1video",
+ .long_name = NULL_IF_CONFIG_SMALL("MPEG-1 video"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG1VIDEO,
.priv_data_size = sizeof(MpegEncContext),
.init = encode_init,
- .encode2 = ff_MPV_encode_picture,
- .close = ff_MPV_encode_end,
+ .encode2 = ff_mpv_encode_picture,
+ .close = ff_mpv_encode_end,
.supported_framerates = ff_mpeg12_frame_rate_tab + 1,
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE },
.capabilities = CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
- .long_name = NULL_IF_CONFIG_SMALL("MPEG-1 video"),
.priv_class = &mpeg1_class,
};
AVCodec ff_mpeg2video_encoder = {
.name = "mpeg2video",
+ .long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG2VIDEO,
.priv_data_size = sizeof(MpegEncContext),
.init = encode_init,
- .encode2 = ff_MPV_encode_picture,
- .close = ff_MPV_encode_end,
+ .encode2 = ff_mpv_encode_picture,
+ .close = ff_mpv_encode_end,
.supported_framerates = ff_mpeg12_frame_rate_tab + 1,
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
AV_PIX_FMT_YUV422P,
AV_PIX_FMT_NONE },
.capabilities = CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
- .long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video"),
.priv_class = &mpeg2_class,
};
projects / ffmpeg / blobdiff