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libeplayer3: cleanup pcm writer

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This commit is contained in:
martii
2014-04-05 17:44:42 +02:00
parent 58b9518db1
commit 492b7f1b8d
8 changed files with 45 additions and 117 deletions
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4
libeplayer3/output/linuxdvb.cpp
View File

@@ -976,10 +976,6 @@ static int Write(Context_t *context, AudioVideoOut_t *out)
call.Pts = out->pts;
call.packet = out->packet;
call.uNoOfChannels = out->uNoOfChannels;
call.uSampleRate = out->uSampleRate;
call.uBitsPerSample = out->uBitsPerSample;
call.bLittleEndian = out->bLittleEndian;
call.restart_audio_resampling = out->restart_audio_resampling;
call.context = context;

126
libeplayer3/output/writer/pcm.cpp
View File

@@ -107,9 +107,11 @@ static unsigned int breakBufferFillSize = 0;
/* MISC Functions */
/* ***************************** */
static int prepareClipPlay(int uNoOfChannels, int uSampleRate,
int uBitsPerSample, int bLittleEndian
__attribute__ ((unused)))
static int uNoOfChannels;
static int uSampleRate;
static int uBitsPerSample;
static int prepareClipPlay()
{
printf("rate: %d ch: %d bits: %d (%d bps)\n",
uSampleRate /*Format->dwSamplesPerSec */ ,
@@ -177,34 +179,23 @@ static int prepareClipPlay(int uNoOfChannels, int uSampleRate,
return 0;
}
static int reset()
{
initialHeader = 1;
return 0;
}
static int writeData(WriterAVCallData_t *call)
static int writePCM(int fd, int64_t Pts, uint8_t *data, unsigned int size)
{
unsigned char PesHeader[PES_MAX_HEADER_SIZE];
pcm_printf(10, "AudioPts %lld\n", call->Pts);
pcm_printf(10, "AudioPts %lld\n", Pts);
if (call->fd < 0) {
if (fd < 0) {
pcm_err("file pointer < 0. ignoring ...\n");
return 0;
}
if (initialHeader) {
initialHeader = 0;
prepareClipPlay(call->uNoOfChannels,
call->uSampleRate,
call->uBitsPerSample,
call->bLittleEndian);
prepareClipPlay();
}
unsigned char *buffer = call->packet->data;
unsigned int size = call->packet->size;
unsigned int n;
unsigned char *injectBuffer = (unsigned char *) malloc(SubFrameLen);
unsigned int pos;
@@ -213,7 +204,7 @@ static int writeData(WriterAVCallData_t *call)
//printf("PCM %s - Position=%d\n", __FUNCTION__, pos);
if ((size - pos) < SubFrameLen) {
breakBufferFillSize = size - pos;
memcpy(breakBuffer, &buffer[pos],
memcpy(breakBuffer, &data[pos],
sizeof(unsigned char) * breakBufferFillSize);
//printf("PCM %s - Unplayed=%d\n", __FUNCTION__, breakBufferFillSize);
break;
@@ -221,11 +212,11 @@ static int writeData(WriterAVCallData_t *call)
//get first PES's worth
if (breakBufferFillSize > 0) {
memcpy(injectBuffer, breakBuffer, sizeof(unsigned char) * breakBufferFillSize);
memcpy(&injectBuffer[breakBufferFillSize], &buffer[pos], sizeof(unsigned char) * (SubFrameLen - breakBufferFillSize));
memcpy(&injectBuffer[breakBufferFillSize], &data[pos], sizeof(unsigned char) * (SubFrameLen - breakBufferFillSize));
pos += (SubFrameLen - breakBufferFillSize);
breakBufferFillSize = 0;
} else {
memcpy(injectBuffer, &buffer[pos], sizeof(unsigned char) * SubFrameLen);
memcpy(injectBuffer, &data[pos], sizeof(unsigned char) * SubFrameLen);
pos += SubFrameLen;
}
@@ -238,7 +229,7 @@ static int writeData(WriterAVCallData_t *call)
iov[2].iov_len = SubFrameLen;
//write the PCM data
if (call->uBitsPerSample == 16) {
if (uBitsPerSample == 16) {
for (n = 0; n < SubFrameLen; n += 2) {
unsigned char tmp;
tmp = injectBuffer[n];
@@ -267,8 +258,8 @@ static int writeData(WriterAVCallData_t *call)
//increment err... subframe count?
lpcm_prv[1] = ((lpcm_prv[1] + SubFramesPerPES) & 0x1F);
iov[0].iov_len = InsertPesHeader(PesHeader, iov[1].iov_len + iov[2].iov_len, PCM_PES_START_CODE, call->Pts, 0);
int len = writev(call->fd, iov, 3);
iov[0].iov_len = InsertPesHeader(PesHeader, iov[1].iov_len + iov[2].iov_len, PCM_PES_START_CODE, Pts, 0);
int len = writev(fd, iov, 3);
if (len < 0)
break;
}
@@ -285,8 +276,10 @@ int out_channels = 2;
uint64_t out_channel_layout = AV_CH_LAYOUT_STEREO;
int restart_audio_resampling = 0;
static int resetIpcm()
static int reset()
{
initialHeader = 1;
if (swr) {
swr_free(&swr);
swr = NULL; //FIXME: Needed?
@@ -301,7 +294,7 @@ static int resetIpcm()
int64_t calcPts(AVFormatContext *, AVStream *, int64_t);
static int writeDataIpcm(WriterAVCallData_t *call)
static int writeData(WriterAVCallData_t *call)
{
AVCodecContext *c = call->stream->codec;
AVPacket *packet = call->packet;
@@ -309,18 +302,12 @@ static int writeDataIpcm(WriterAVCallData_t *call)
unsigned int packet_size = packet->size;
if (call->restart_audio_resampling)
call->restart_audio_resampling = 1;
restart_audio_resampling = 1;
if (restart_audio_resampling) {
restart_audio_resampling = 0;
if (swr) {
swr_free(&swr);
swr = NULL;
}
if (decoded_frame) {
av_frame_free(&decoded_frame);
decoded_frame = NULL;
}
reset();
call->context->output->Command(call->context, OUTPUT_CLEAR, NULL);
call->context->output->Command(call->context, OUTPUT_PLAY, NULL);
@@ -328,17 +315,17 @@ static int writeDataIpcm(WriterAVCallData_t *call)
if (!codec || avcodec_open2(c, codec, NULL))
fprintf(stderr, "%s %d: avcodec_open2 failed\n", __func__, __LINE__);
}
}
while (packet_size > 0) {
int got_frame = 0;
if (!decoded_frame) {
while (packet_size > 0) {
int got_frame = 0;
if (!decoded_frame) {
if (!(decoded_frame = av_frame_alloc())) {
fprintf(stderr, "out of memory\n");
exit(1);
}
} else
av_frame_unref(decoded_frame);
fprintf(stderr, "out of memory\n");
exit(1);
}
} else
av_frame_unref(decoded_frame);
int len = avcodec_decode_audio4(c, decoded_frame, &got_frame, packet);
if (len < 0) {
@@ -403,32 +390,19 @@ static int writeDataIpcm(WriterAVCallData_t *call)
// FIXME. PTS calculation is probably broken.
int64_t pts;
int64_t next_in_pts = av_rescale(av_frame_get_best_effort_timestamp(decoded_frame),
call->stream->time_base.num * (int64_t) out_sample_rate * c->sample_rate,
call->stream->time_base.den);
call->stream->time_base.num * (int64_t) out_sample_rate * c->sample_rate,
call->stream->time_base.den);
int64_t next_out_pts = av_rescale(swr_next_pts(swr, next_in_pts),
call->stream->time_base.den,
call->stream->time_base.num * (int64_t) out_sample_rate * c->sample_rate);
*(call->context->currentAudioPtsP) = /* audioTrack->pts = */ pts = calcPts(call->avfc, call->stream, next_out_pts);
out_samples = swr_convert(swr, &output, out_samples, (const uint8_t **)
&decoded_frame->data[0], in_samples);
call->stream->time_base.den,
call->stream->time_base.num * (int64_t) out_sample_rate * c->sample_rate);
*(call->context->currentAudioPtsP) = /* audioTrack->pts = */ pts = calcPts(call->avfc, call->stream, next_out_pts);
out_samples = swr_convert(swr, &output, out_samples, (const uint8_t **) &decoded_frame->data[0], in_samples);
WriterAVCallData_t pcmOut;
pcmOut.fd = call->fd;
pcmOut.uSampleRate = out_sample_rate;
pcmOut.uNoOfChannels = av_get_channel_layout_nb_channels(out_channel_layout);
pcmOut.uBitsPerSample = 16;
pcmOut.bLittleEndian = 1;
uSampleRate = out_sample_rate;
uNoOfChannels = av_get_channel_layout_nb_channels(out_channel_layout);
uBitsPerSample = 16;
AVPacket pcmPacket;
pcmPacket.data = output;
pcmPacket.size = out_samples * sizeof(short) * out_channels;
pcmOut.packet = &pcmPacket;
pcmOut.Pts = pts; // FIXME videoTrack ? pts : 0;
//pcmOut.stream = call->stream;
//pcmOut.avfc = call->avfc;
writeData(&pcmOut);
writePCM(call->fd, pts, output, out_samples * sizeof(short) * out_channels);
av_freep(&output);
}
@@ -439,20 +413,6 @@ static int writeDataIpcm(WriterAVCallData_t *call)
/* Writer Definition */
/* ***************************** */
static WriterCaps_t caps_pcm = {
"pcm",
eAudio,
"A_PCM",
AUDIO_ENCODING_LPCMA
};
struct Writer_s WriterAudioPCM = {
&reset,
&writeData,
NULL,
&caps_pcm
};
static WriterCaps_t caps_ipcm = {
"ipcm",
eAudio,
@@ -461,8 +421,8 @@ static WriterCaps_t caps_ipcm = {
};
struct Writer_s WriterAudioIPCM = {
&resetIpcm,
&writeDataIpcm,
&reset,
&writeData,
NULL,
&caps_ipcm
};

2
libeplayer3/output/writer/wmv.cpp
View File

@@ -191,7 +191,7 @@ static int writeData(WriterAVCallData_t *call)
}
if (call->packet->size > 0 && call->packet->data) {
unsigned int Position = 0;
int Position = 0;
unsigned char insertSampleHeader = 1;
while (Position < call->packet->size) {

2
libeplayer3/output/writer/writer.cpp
View File

@@ -60,7 +60,7 @@ if (debug_level >= level) printf(x); } while (0)
static Writer_t *AvailableWriter[] = {
&WriterAudioIPCM,
&WriterAudioPCM,
// &WriterAudioPCM,
&WriterAudioMP3,
&WriterAudioMPEGL3,
&WriterAudioAC3,