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avformat/argo_{asf,brp}: use variable frame sizes when (de)muxing adpcm_argo
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
This commit is contained in:
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@ -26,6 +26,9 @@
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#include "libavutil/opt.h"
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#include "argo_asf.h"
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/* Maximum number of blocks to read at once. */
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#define ASF_NB_BLOCKS 32
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typedef struct ArgoASFDemuxContext {
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ArgoASFFileHeader fhdr;
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ArgoASFChunkHeader ckhdr;
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@ -37,6 +40,7 @@ typedef struct ArgoASFMuxContext {
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int version_major;
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int version_minor;
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const char *name;
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int64_t nb_blocks;
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} ArgoASFMuxContext;
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void ff_argo_asf_parse_file_header(ArgoASFFileHeader *hdr, const uint8_t *buf)
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@ -125,12 +129,10 @@ int ff_argo_asf_fill_stream(AVStream *st, const ArgoASFFileHeader *fhdr,
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* (nchannel control bytes) + ((bytes_per_channel) * nchannel)
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* For mono, this is 17. For stereo, this is 34.
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*/
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st->codecpar->frame_size = st->codecpar->channels +
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st->codecpar->block_align = st->codecpar->channels +
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(ckhdr->num_samples / 2) *
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st->codecpar->channels;
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st->codecpar->block_align = st->codecpar->frame_size;
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st->codecpar->bit_rate = st->codecpar->channels *
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st->codecpar->sample_rate *
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st->codecpar->bits_per_coded_sample;
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@ -221,15 +223,21 @@ static int argo_asf_read_packet(AVFormatContext *s, AVPacket *pkt)
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if (asf->blocks_read >= asf->ckhdr.num_blocks)
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return AVERROR_EOF;
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if ((ret = av_get_packet(pb, pkt, st->codecpar->frame_size)) < 0)
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ret = av_get_packet(pb, pkt, st->codecpar->block_align *
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FFMIN(ASF_NB_BLOCKS, asf->ckhdr.num_blocks - asf->blocks_read));
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if (ret < 0)
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return ret;
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else if (ret != st->codecpar->frame_size)
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/* Something real screwy is going on. */
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if (ret % st->codecpar->block_align != 0)
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return AVERROR_INVALIDDATA;
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pkt->stream_index = st->index;
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pkt->duration = asf->ckhdr.num_samples;
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++asf->blocks_read;
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pkt->stream_index = st->index;
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pkt->duration = asf->ckhdr.num_samples * (ret / st->codecpar->block_align);
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asf->blocks_read += (ret / st->codecpar->block_align);
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pkt->flags &= ~AV_PKT_FLAG_CORRUPT;
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return 0;
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}
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@ -277,6 +285,9 @@ static int argo_asf_write_init(AVFormatContext *s)
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return AVERROR(EINVAL);
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}
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if (par->block_align != 17 * par->channels)
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return AVERROR(EINVAL);
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if (par->sample_rate > UINT16_MAX) {
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av_log(s, AV_LOG_ERROR, "Sample rate too large\n");
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return AVERROR(EINVAL);
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@ -364,24 +375,31 @@ static int argo_asf_write_header(AVFormatContext *s)
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static int argo_asf_write_packet(AVFormatContext *s, AVPacket *pkt)
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{
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if (pkt->size != 17 * s->streams[0]->codecpar->channels)
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ArgoASFMuxContext *ctx = s->priv_data;
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AVCodecParameters *par = s->streams[0]->codecpar;
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int nb_blocks = pkt->size / par->block_align;
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if (pkt->size % par->block_align != 0)
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return AVERROR_INVALIDDATA;
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if (s->streams[0]->nb_frames >= UINT32_MAX)
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if (ctx->nb_blocks + nb_blocks > UINT32_MAX)
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return AVERROR_INVALIDDATA;
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avio_write(s->pb, pkt->data, pkt->size);
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ctx->nb_blocks += nb_blocks;
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return 0;
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}
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static int argo_asf_write_trailer(AVFormatContext *s)
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{
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ArgoASFMuxContext *ctx = s->priv_data;
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int64_t ret;
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if ((ret = avio_seek(s->pb, ASF_FILE_HEADER_SIZE, SEEK_SET) < 0))
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return ret;
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avio_wl32(s->pb, (uint32_t)s->streams[0]->nb_frames);
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avio_wl32(s->pb, (uint32_t)ctx->nb_blocks);
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return 0;
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}
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@ -364,7 +364,7 @@ static int argo_brp_read_basf(AVFormatContext *s, AVPacket *pkt,
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else if (ret != brp->basf.offset)
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return AVERROR(EIO);
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if ((ret = av_get_packet(s->pb, pkt, par->frame_size)) < 0)
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if ((ret = av_get_packet(s->pb, pkt, par->block_align)) < 0)
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return ret;
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if ((ret = avio_seek(s->pb, old, SEEK_SET)) < 0)
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