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Code Issues Releases Activity

avformat/rpl: Support files containing Replay IMA ADPCM audio

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Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
This commit is contained in:
Cameron Cawley 2021-05-07 17:50:48 +01:00 committed by Zane van Iperen
parent 5c7313c740
commit bc86515c4f
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GPG Key ID: 68616B2D8AC4DCC5
1 changed files with 11 additions and 3 deletions
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14
libavformat/rpl.c
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@ -121,6 +121,7 @@ static int rpl_read_header(AVFormatContext *s)
int error = 0;
const char *endptr;
char audio_type[RPL_LINE_LENGTH];
char audio_codec[RPL_LINE_LENGTH];
uint32_t i;
@ -189,7 +190,9 @@ static int rpl_read_header(AVFormatContext *s)
// ARMovie supports multiple audio tracks; I don't have any
// samples, though. This code will ignore additional tracks.
audio_format = read_line_and_int(pb, &error); // audio format ID
error |= read_line(pb, line, sizeof(line));
audio_format = read_int(line, &endptr, &error); // audio format ID
av_strlcpy(audio_codec, endptr, RPL_LINE_LENGTH);
if (audio_format) {
ast = avformat_new_stream(s, NULL);
if (!ast)
@ -227,6 +230,11 @@ static int rpl_read_header(AVFormatContext *s)
// There are some other formats listed as legal per the spec;
// samples needed.
break;
case 2:
if (av_stristr(audio_codec, "adpcm") != NULL) {
ast->codecpar->codec_id = AV_CODEC_ID_ADPCM_IMA_ACORN;
}
break;
case 101:
if (ast->codecpar->bits_per_coded_sample == 8) {
// The samples with this kind of audio that I have
@ -238,8 +246,8 @@ static int rpl_read_header(AVFormatContext *s)
break;
}
if (ast->codecpar->codec_id == AV_CODEC_ID_NONE)
avpriv_request_sample(s, "Audio format %"PRId32,
audio_format);
avpriv_request_sample(s, "Audio format %"PRId32" (%s)",
audio_format, audio_codec);
avpriv_set_pts_info(ast, 32, 1, ast->codecpar->bit_rate);
} else {
for (i = 0; i < 3; i++)