diff options
| author | Mats Peterson <matsp888@yahoo.com> | 2016-02-20 12:57:50 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-02-21 03:30:50 +0100 |
| commit | a51d82b85c83aa0d1a8295ed44a1c835065675e7 (patch) | |
| tree | ffbf4f4c94a8780e486610ff71972ef619338404 /libavformat/avienc.c | |
| parent | f8d685270e5829ef670f7dc5eaa5f57a66c331d8 (diff) | |
| download | ffmpeg-a51d82b85c83aa0d1a8295ed44a1c835065675e7.tar.gz | |
lavf/avienc: Add palette after BITMAPINFOHEADER
lavf/riffenc: Write space for palette
tests/ref/vsynth: Update 1 bpp files for pal8
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/avienc.c')
| -rw-r--r-- | libavformat/avienc.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/libavformat/avienc.c b/libavformat/avienc.c index 0b0f8fcec6..7480c86dd0 100644 --- a/libavformat/avienc.c +++ b/libavformat/avienc.c @@ -74,6 +74,9 @@ typedef struct AVIStream { int max_size; int sample_requested; + int64_t pal_offset; + int hdr_pal_done; + int64_t last_dts; AVIIndex indexes; @@ -359,6 +362,7 @@ static int avi_write_header(AVFormatContext *s) && enc->pix_fmt == AV_PIX_FMT_RGB555LE && enc->bits_per_coded_sample == 15) enc->bits_per_coded_sample = 16; + avist->pal_offset = avio_tell(pb) + 40; ff_put_bmp_header(pb, enc, ff_codec_bmp_tags, 0, 0); pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_avi, enc->bits_per_coded_sample); @@ -652,6 +656,7 @@ static int avi_write_packet(AVFormatContext *s, AVPacket *pkt) int size = pkt->size; AVIOContext *pb = s->pb; AVCodecContext *enc = s->streams[stream_index]->codec; + AVIStream *avist = s->streams[stream_index]->priv_data; int ret; if (enc->codec_id == AV_CODEC_ID_H264 && enc->codec_tag == MKTAG('H','2','6','4') && pkt->size) { @@ -673,15 +678,25 @@ static int avi_write_packet(AVFormatContext *s, AVPacket *pkt) if (ret) { if (ret == CONTAINS_PAL) { int pc_tag, i; + int pal_size = 1 << enc->bits_per_coded_sample; + if (!avist->hdr_pal_done) { + int64_t cur_offset = avio_tell(pb); + avio_seek(pb, avist->pal_offset, SEEK_SET); + for (i = 0; i < pal_size; i++) { + uint32_t v = AV_RL32(data + size - 4*pal_size + 4*i); + avio_wl32(pb, v & 0xffffff); + } + avio_seek(pb, cur_offset, SEEK_SET); + avist->hdr_pal_done++; + } avi_stream2fourcc(tag, stream_index, enc->codec_type); tag[2] = 'p'; tag[3] = 'c'; - pc_tag = ff_start_tag(pb, tag); avio_w8(pb, 0); - avio_w8(pb, 0); + avio_w8(pb, pal_size); avio_wl16(pb, 0); // reserved - for (i = 0; i<256; i++) { - uint32_t v = AV_RL32(data + size - 1024 + 4*i); + for (i = 0; i < pal_size; i++) { + uint32_t v = AV_RL32(data + size - 4*pal_size + 4*i); avio_wb32(pb, v<<8); } ff_end_tag(pb, pc_tag); |