* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavutil/avstring.h"
#include "avformat.h"
#include "internal.h"
#include "pcm.h"
static int pcm_read_header(AVFormatContext *s)
{
PCMAudioDemuxerContext *s1 = s->priv_data;
+ AVCodecParameters *par;
AVStream *st;
uint8_t *mime_type = NULL;
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
+ par = st->codecpar;
-
- st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
- st->codecpar->codec_id = s->iformat->raw_codec_id;
- st->codecpar->sample_rate = s1->sample_rate;
- st->codecpar->channels = s1->channels;
+ par->codec_type = AVMEDIA_TYPE_AUDIO;
+ par->codec_id = s->iformat->raw_codec_id;
+ par->sample_rate = s1->sample_rate;
+ par->channels = s1->channels;
av_opt_get(s->pb, "mime_type", AV_OPT_SEARCH_CHILDREN, &mime_type);
if (mime_type && s->iformat->mime_type) {
int rate = 0, channels = 0, little_endian = 0;
- size_t len = strlen(s->iformat->mime_type);
- if (!av_strncasecmp(s->iformat->mime_type, mime_type, len)) { /* audio/L16 */
- uint8_t *options = mime_type + len;
- len = strlen(mime_type);
- while (options < mime_type + len) {
- options = strstr(options, ";");
- if (!options++)
- break;
+ const char *options;
+ if (av_stristart(mime_type, s->iformat->mime_type, &options)) { /* audio/L16 */
+ while (options = strchr(options, ';')) {
+ options++;
if (!rate)
sscanf(options, " rate=%d", &rate);
if (!channels)
sscanf(options, " channels=%d", &channels);
if (!little_endian) {
- char val[14]; /* sizeof("little-endian") == 14 */
+ char val[sizeof("little-endian")];
if (sscanf(options, " endianness=%13s", val) == 1) {
little_endian = strcmp(val, "little-endian") == 0;
}
av_freep(&mime_type);
return AVERROR_INVALIDDATA;
}
- st->codecpar->sample_rate = rate;
+ par->sample_rate = rate;
if (channels > 0)
- st->codecpar->channels = channels;
+ par->channels = channels;
if (little_endian)
- st->codecpar->codec_id = AV_CODEC_ID_PCM_S16LE;
+ par->codec_id = AV_CODEC_ID_PCM_S16LE;
}
}
av_freep(&mime_type);
- st->codecpar->bits_per_coded_sample =
- av_get_bits_per_sample(st->codecpar->codec_id);
+ par->bits_per_coded_sample = av_get_bits_per_sample(par->codec_id);
- av_assert0(st->codecpar->bits_per_coded_sample > 0);
+ av_assert0(par->bits_per_coded_sample > 0);
- st->codecpar->block_align =
- st->codecpar->bits_per_coded_sample * st->codecpar->channels / 8;
+ par->block_align = par->bits_per_coded_sample * par->channels / 8;
- avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
+ avpriv_set_pts_info(st, 64, 1, par->sample_rate);
return 0;
}
{ NULL },
};
-#define PCMDEF(name_, long_name_, ext, codec, ...) \
+#define PCMDEF_0(name_, long_name_, ext, codec, ...)
+#define PCMDEF_1(name_, long_name_, ext, codec, ...) \
static const AVClass name_ ## _demuxer_class = { \
.class_name = #name_ " demuxer", \
.item_name = av_default_item_name, \
.priv_class = &name_ ## _demuxer_class, \
__VA_ARGS__ \
};
-
-PCMDEF(f64be, "PCM 64-bit floating-point big-endian",
- NULL, AV_CODEC_ID_PCM_F64BE)
-
-PCMDEF(f64le, "PCM 64-bit floating-point little-endian",
- NULL, AV_CODEC_ID_PCM_F64LE)
-
-PCMDEF(f32be, "PCM 32-bit floating-point big-endian",
- NULL, AV_CODEC_ID_PCM_F32BE)
-
-PCMDEF(f32le, "PCM 32-bit floating-point little-endian",
- NULL, AV_CODEC_ID_PCM_F32LE)
-
-PCMDEF(s32be, "PCM signed 32-bit big-endian",
- NULL, AV_CODEC_ID_PCM_S32BE)
-
-PCMDEF(s32le, "PCM signed 32-bit little-endian",
- NULL, AV_CODEC_ID_PCM_S32LE)
-
-PCMDEF(s24be, "PCM signed 24-bit big-endian",
- NULL, AV_CODEC_ID_PCM_S24BE)
-
-PCMDEF(s24le, "PCM signed 24-bit little-endian",
- NULL, AV_CODEC_ID_PCM_S24LE)
-
-PCMDEF(s16be, "PCM signed 16-bit big-endian",
- AV_NE("sw", NULL), AV_CODEC_ID_PCM_S16BE, .mime_type = "audio/L16")
-
-PCMDEF(s16le, "PCM signed 16-bit little-endian",
- AV_NE(NULL, "sw"), AV_CODEC_ID_PCM_S16LE)
-
-PCMDEF(s8, "PCM signed 8-bit",
- "sb", AV_CODEC_ID_PCM_S8)
-
-PCMDEF(u32be, "PCM unsigned 32-bit big-endian",
- NULL, AV_CODEC_ID_PCM_U32BE)
-
-PCMDEF(u32le, "PCM unsigned 32-bit little-endian",
- NULL, AV_CODEC_ID_PCM_U32LE)
-
-PCMDEF(u24be, "PCM unsigned 24-bit big-endian",
- NULL, AV_CODEC_ID_PCM_U24BE)
-
-PCMDEF(u24le, "PCM unsigned 24-bit little-endian",
- NULL, AV_CODEC_ID_PCM_U24LE)
-
-PCMDEF(u16be, "PCM unsigned 16-bit big-endian",
- AV_NE("uw", NULL), AV_CODEC_ID_PCM_U16BE)
-
-PCMDEF(u16le, "PCM unsigned 16-bit little-endian",
- AV_NE(NULL, "uw"), AV_CODEC_ID_PCM_U16LE)
-
-PCMDEF(u8, "PCM unsigned 8-bit",
- "ub", AV_CODEC_ID_PCM_U8)
-
-PCMDEF(alaw, "PCM A-law",
- "al", AV_CODEC_ID_PCM_ALAW)
-
-PCMDEF(mulaw, "PCM mu-law",
- "ul", AV_CODEC_ID_PCM_MULAW)
-
-PCMDEF(vidc, "PCM Archimedes VIDC",
- NULL, AV_CODEC_ID_PCM_VIDC)
-
+#define PCMDEF_2(name, long_name, ext, codec, enabled, ...) \
+ PCMDEF_ ## enabled(name, long_name, ext, codec, __VA_ARGS__)
+#define PCMDEF_3(name, long_name, ext, codec, config, ...) \
+ PCMDEF_2(name, long_name, ext, codec, config, __VA_ARGS__)
+#define PCMDEF_EXT(name, long_name, ext, uppercase, ...) \
+ PCMDEF_3(name, long_name, ext, AV_CODEC_ID_PCM_ ## uppercase, \
+ CONFIG_PCM_ ## uppercase ## _DEMUXER, __VA_ARGS__)
+#define PCMDEF(name, long_name, ext, uppercase) \
+ PCMDEF_EXT(name, long_name, ext, uppercase, )
+
+PCMDEF(f64be, "PCM 64-bit floating-point big-endian", NULL, F64BE)
+PCMDEF(f64le, "PCM 64-bit floating-point little-endian", NULL, F64LE)
+PCMDEF(f32be, "PCM 32-bit floating-point big-endian", NULL, F32BE)
+PCMDEF(f32le, "PCM 32-bit floating-point little-endian", NULL, F32LE)
+PCMDEF(s32be, "PCM signed 32-bit big-endian", NULL, S32BE)
+PCMDEF(s32le, "PCM signed 32-bit little-endian", NULL, S32LE)
+PCMDEF(s24be, "PCM signed 24-bit big-endian", NULL, S24BE)
+PCMDEF(s24le, "PCM signed 24-bit little-endian", NULL, S24LE)
+PCMDEF_EXT(s16be, "PCM signed 16-bit big-endian",
+ AV_NE("sw", NULL), S16BE, .mime_type = "audio/L16")
+PCMDEF(s16le, "PCM signed 16-bit little-endian", AV_NE(NULL, "sw"), S16LE)
+PCMDEF(s8, "PCM signed 8-bit", "sb", S8)
+PCMDEF(u32be, "PCM unsigned 32-bit big-endian", NULL, U32BE)
+PCMDEF(u32le, "PCM unsigned 32-bit little-endian", NULL, U32LE)
+PCMDEF(u24be, "PCM unsigned 24-bit big-endian", NULL, U24BE)
+PCMDEF(u24le, "PCM unsigned 24-bit little-endian", NULL, U24LE)
+PCMDEF(u16be, "PCM unsigned 16-bit big-endian", AV_NE("uw", NULL), U16BE)
+PCMDEF(u16le, "PCM unsigned 16-bit little-endian", AV_NE(NULL, "uw"), U16LE)
+PCMDEF(u8, "PCM unsigned 8-bit", "ub", U8)
+PCMDEF(alaw, "PCM A-law", "al", ALAW)
+PCMDEF(mulaw, "PCM mu-law", "ul", MULAW)
+PCMDEF(vidc, "PCM Archimedes VIDC", NULL, VIDC)
+
+#if CONFIG_SLN_DEMUXER
static const AVOption sln_options[] = {
{ "sample_rate", "", offsetof(PCMAudioDemuxerContext, sample_rate), AV_OPT_TYPE_INT, {.i64 = 8000}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
{ "channels", "", offsetof(PCMAudioDemuxerContext, channels), AV_OPT_TYPE_INT, {.i64 = 1}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
.raw_codec_id = AV_CODEC_ID_PCM_S16LE,
.priv_class = &sln_demuxer_class,
};
+#endif
projects / ffmpeg / blobdiff