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RoQ encoder: support different integer framerates

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Even though the most common framerate for RoQ is 30fps,
the format supports other framerates too.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
addr-see-the-website@aetey.se 2014-02-02 16:57:36 +01:00 committed by Michael Niedermayer
parent 1bc2fa447c
commit 8e36fc0c33
3 changed files with 30 additions and 5 deletions
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3
libavcodec/roqvideoenc.c
View File

@ -963,7 +963,7 @@ static av_cold int roq_encode_init(AVCodecContext *avctx)
enc->framesSinceKeyframe = 0;
if ((avctx->width & 0xf) || (avctx->height & 0xf)) {
av_log(avctx, AV_LOG_ERROR, "Dimensions must be divisible by 16\n");
return -1;
return AVERROR(EINVAL);
}
if (((avctx->width)&(avctx->width-1))||((avctx->height)&(avctx->height-1)))
@ -1097,7 +1097,6 @@ AVCodec ff_roq_encoder = {
.init = roq_encode_init,
.encode2 = roq_encode_frame,
.close = roq_encode_end,
.supported_framerates = (const AVRational[]){ {30,1}, {0,0} },
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P,
AV_PIX_FMT_NONE },
.priv_class = &roq_class,

30
libavformat/idroqenc.c
View File

@ -25,9 +25,35 @@
static int roq_write_header(struct AVFormatContext *s)
{
static const uint8_t header[] = {
0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0x1E, 0x00
uint8_t header[] = {
0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, /* fps: */ 0x1E, 0x00
};
int n;
AVCodecContext *avctx;
// set the actual fps
for(n=0;n<s->nb_streams;n++) {
if ((avctx=s->streams[n]->codec)->codec_type == AVMEDIA_TYPE_VIDEO) {
unsigned int fps;
if (avctx->time_base.num != 1) {
av_log(avctx, AV_LOG_ERROR, "Frame rate must be integer\n");
return AVERROR(EINVAL);
}
if ((fps=avctx->time_base.den) > 255) {
av_log(avctx, AV_LOG_ERROR, "Frame rate may not exceed 255fps\n");
return AVERROR(EINVAL);
}
if (fps != 30) {
av_log(avctx, AV_LOG_WARNING, "For vintage compatibility fps must be 30\n");
}
header[6] = fps;
break;
}
}
avio_write(s->pb, header, 8);
avio_flush(s->pb);

2
tests/fate/video.mak
View File

@ -139,7 +139,7 @@ FATE_VIDEO-$(call DEMDEC, IDCIN, IDCIN) += fate-id-cin-video
fate-id-cin-video: CMD = framecrc -i $(TARGET_SAMPLES)/idcin/idlog-2MB.cin -pix_fmt rgb24
FATE_VIDEO-$(call ENCDEC, ROQ PGMYUV, ROQ IMAGE2) += fate-idroq-video-encode
fate-idroq-video-encode: CMD = md5 -f image2 -vcodec pgmyuv -i $(TARGET_SAMPLES)/ffmpeg-synthetic/vsynth1/%02d.pgm -sws_flags +bitexact -vf pad=512:512:80:112 -f roq -t 0.2
fate-idroq-video-encode: CMD = md5 -f image2 -vcodec pgmyuv -i $(TARGET_SAMPLES)/ffmpeg-synthetic/vsynth1/%02d.pgm -r 30 -sws_flags +bitexact -vf pad=512:512:80:112 -f roq -t 0.2
FATE_IFF-$(CONFIG_IFF_BYTERUN1_DECODER) += fate-iff-byterun1
fate-iff-byterun1: CMD = framecrc -i $(TARGET_SAMPLES)/iff/ASH.LBM -pix_fmt rgb24