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ad_speex: support decoding stream without header packet 

Setup default speex modes, allows decoding of speex in flv which does
not contain a header packet.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@33327 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2011-04-25 09:48:11 +00:00 committed by Uoti Urpala
parent e7e4d1d802
commit 84b2296c34
1 changed files with 14 additions and 13 deletions
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27
libmpcodecs/ad_speex.c
View File

@ -63,11 +63,8 @@ static int init(sh_audio_t *sh) {
const uint8_t *hdr = (const uint8_t *)(sh->wf + 1);
const SpeexMode *spx_mode;
const SpeexStereoState st_st = SPEEX_STEREO_STATE_INIT; // hack
if (!sh->wf || sh->wf->cbSize < 80) {
mp_msg(MSGT_DECAUDIO, MSGL_FATAL, "Missing extradata!\n");
goto err_out;
}
ctx->hdr = speex_packet_to_header((char *)&sh->wf[1], sh->wf->cbSize);
if (sh->wf && sh->wf->cbSize >= 80)
ctx->hdr = speex_packet_to_header((char *)&sh->wf[1], sh->wf->cbSize);
if (!ctx->hdr && sh->wf->cbSize == 0x72 && hdr[0] == 1 && hdr[1] == 0) {
// speex.acm format: raw SpeexHeader dump
ctx->hdr = calloc(1, sizeof(*ctx->hdr));
@ -86,8 +83,18 @@ static int init(sh_audio_t *sh) {
ctx->hdr->frames_per_packet = read_le32(&hdr);
}
if (!ctx->hdr) {
mp_msg(MSGT_DECAUDIO, MSGL_FATAL, "Invalid extradata!\n");
goto err_out;
mp_msg(MSGT_DECAUDIO, MSGL_ERR, "Invalid or missing extradata! Assuming defaults.\n");
ctx->hdr = calloc(1, sizeof(*ctx->hdr));
ctx->hdr->frames_per_packet = 1;
ctx->hdr->mode = 0;
if (sh->wf) {
ctx->hdr->nb_channels = sh->wf->nChannels;
ctx->hdr->rate = sh->wf->nSamplesPerSec;
if (ctx->hdr->rate > 16000)
ctx->hdr->mode = 2;
else if (ctx->hdr->rate > 8000)
ctx->hdr->mode = 1;
}
}
if (ctx->hdr->nb_channels != 1 && ctx->hdr->nb_channels != 2) {
mp_msg(MSGT_DECAUDIO, MSGL_WARN, "Invalid number of channels (%i), "
@ -119,12 +126,6 @@ static int init(sh_audio_t *sh) {
sh->sample_format = AF_FORMAT_S16_NE;
sh->context = ctx;
return 1;
err_out:
if (ctx)
free(ctx->hdr);
free(ctx);
return 0;
}
static void uninit(sh_audio_t *sh) {