videolan/ffmpeg
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complete handling of pcm formats - hex dump option

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Originally committed as revision 138 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard 2001-09-23 17:14:51 +00:00
parent d2b7bcd23f
commit a0663ba4b0
1 changed files with 37 additions and 30 deletions
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67
ffmpeg.c
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@ -96,6 +96,7 @@ static char *str_author = NULL;
static char *str_copyright = NULL;
static char *str_comment = NULL;
static int do_benchmark = 0;
static int do_hex_dump = 0;
typedef struct AVOutputStream {
int file_index; /* file index */
@ -648,7 +649,7 @@ static void do_audio_out(AVFormatContext *s,
}
/* now encode as many frames as possible */
if (enc->codec_id != CODEC_ID_PCM) {
if (enc->frame_size > 1) {
/* output resampled raw samples */
fifo_write(&ost->fifo, buftmp, size_out,
&ost->fifo.wptr);
@ -657,13 +658,26 @@ static void do_audio_out(AVFormatContext *s,
while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
&ost->fifo.rptr) == 0) {
ret = avcodec_encode_audio(enc,
audio_out, sizeof(audio_out), (short *)audio_buf);
ret = avcodec_encode_audio(enc, audio_out, sizeof(audio_out),
(short *)audio_buf);
s->format->write_packet(s, ost->index, audio_out, ret);
}
} else {
/* XXX: handle endianness */
s->format->write_packet(s, ost->index, buftmp, size_out);
/* output a pcm frame */
/* XXX: change encoding codec API to avoid this ? */
switch(enc->codec->id) {
case CODEC_ID_PCM_S16LE:
case CODEC_ID_PCM_S16BE:
case CODEC_ID_PCM_U16LE:
case CODEC_ID_PCM_U16BE:
break;
default:
size_out = size_out >> 1;
break;
}
ret = avcodec_encode_audio(enc, audio_out, size_out,
(short *)buftmp);
s->format->write_packet(s, ost->index, audio_out, ret);
}
}
@ -860,9 +874,6 @@ static void do_video_out(AVFormatContext *s,
free(buf1);
}
//#define HEX_DUMP
#ifdef HEX_DUMP
static void hex_dump(UINT8 *buf, int size)
{
int len, i, j, c;
@ -888,7 +899,6 @@ static void hex_dump(UINT8 *buf, int size)
printf("\n");
}
}
#endif
/*
* The following code is the main loop of the file converter
@ -1191,10 +1201,10 @@ static int av_encode(AVFormatContext **output_files,
continue;
}
#ifdef HEX_DUMP
printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
hex_dump(pkt.data, pkt.size);
#endif
if (do_hex_dump) {
printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
hex_dump(pkt.data, pkt.size);
}
// printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
@ -1208,24 +1218,19 @@ static int av_encode(AVFormatContext **output_files,
if (ist->decoding_needed) {
switch(ist->st->codec.codec_type) {
case CODEC_TYPE_AUDIO:
if (ist->st->codec.codec_id == CODEC_ID_PCM) {
/* no need to call a codec */
data_buf = ptr;
data_size = len;
ret = len;
} else {
ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
ptr, len);
if (ret < 0)
goto fail_decode;
if (data_size == 0) {
/* no audio frame */
ptr += ret;
len -= ret;
continue;
}
data_buf = (UINT8 *)samples;
/* XXX: could avoid copy if PCM 16 bits with same
endianness as CPU */
ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
ptr, len);
if (ret < 0)
goto fail_decode;
if (data_size == 0) {
/* no audio frame */
ptr += ret;
len -= ret;
continue;
}
data_buf = (UINT8 *)samples;
break;
case CODEC_TYPE_VIDEO:
if (ist->st->codec.codec_id == CODEC_ID_RAWVIDEO) {
@ -2230,6 +2235,8 @@ const OptionDef options[] = {
"deinterlace pictures" },
{ "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
"add timings for benchmarking" },
{ "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
"dump each input packet" },
{ NULL, },
};