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decoder/ffmpeg: make variables more local

This commit is contained in:
Max Kellermann 2011-04-12 08:17:30 +02:00
parent 327d41c00f
commit eaf414cbc8
1 changed files with 16 additions and 27 deletions
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43
src/decoder/ffmpeg_decoder_plugin.c
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@ -106,13 +106,11 @@ static int64_t
mpd_ffmpeg_stream_seek(void *opaque, int64_t pos, int whence)
{
struct mpd_ffmpeg_stream *stream = opaque;
bool ret;
if (whence == AVSEEK_SIZE)
return stream->input->size;
ret = input_stream_seek(stream->input, pos, whence, NULL);
if (!ret)
if (!input_stream_seek(stream->input, pos, whence, NULL))
return -1;
return stream->input->offset;
@ -191,30 +189,24 @@ ffmpeg_send_packet(struct decoder *decoder, struct input_stream *is,
AVCodecContext *codec_context,
const AVRational *time_base)
{
enum decoder_command cmd = DECODE_COMMAND_NONE;
uint8_t audio_buf[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2 + 16];
int16_t *aligned_buffer;
size_t buffer_size;
int len, audio_size;
uint8_t *packet_data;
int packet_size;
if (packet->pts != (int64_t)AV_NOPTS_VALUE)
decoder_timestamp(decoder,
av_rescale_q(packet->pts, *time_base,
(AVRational){1, 1}));
packet_data = packet->data;
packet_size = packet->size;
const uint8_t *packet_data = packet->data;
int packet_size = packet->size;
buffer_size = sizeof(audio_buf);
aligned_buffer = align16(audio_buf, &buffer_size);
uint8_t audio_buf[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2 + 16];
size_t buffer_size = sizeof(audio_buf);
int16_t *aligned_buffer = align16(audio_buf, &buffer_size);
enum decoder_command cmd = DECODE_COMMAND_NONE;
while ((packet_size > 0) && (cmd == DECODE_COMMAND_NONE)) {
audio_size = buffer_size;
len = avcodec_decode_audio2(codec_context,
aligned_buffer, &audio_size,
packet_data, packet_size);
int audio_size = buffer_size;
int len = avcodec_decode_audio2(codec_context,
aligned_buffer, &audio_size,
packet_data, packet_size);
if (len < 0) {
/* if error, we skip the frame */
@ -307,12 +299,8 @@ ffmpeg_decode(struct decoder *decoder, struct input_stream *input)
return;
}
AVFormatContext *format_context;
AVCodecContext *codec_context;
AVCodec *codec;
int audio_stream;
//ffmpeg works with ours "fileops" helper
AVFormatContext *format_context;
if (av_open_input_stream(&format_context, stream->io, input->uri,
input_format, NULL) != 0) {
g_warning("Open failed\n");
@ -327,7 +315,7 @@ ffmpeg_decode(struct decoder *decoder, struct input_stream *input)
return;
}
audio_stream = ffmpeg_find_audio_stream(format_context);
int audio_stream = ffmpeg_find_audio_stream(format_context);
if (audio_stream == -1) {
g_warning("No audio stream inside\n");
av_close_input_stream(format_context);
@ -335,11 +323,12 @@ ffmpeg_decode(struct decoder *decoder, struct input_stream *input)
return;
}
codec_context = format_context->streams[audio_stream]->codec;
AVCodecContext *codec_context =
format_context->streams[audio_stream]->codec;
if (codec_context->codec_name[0] != 0)
g_debug("codec '%s'", codec_context->codec_name);
codec = avcodec_find_decoder(codec_context->codec_id);
AVCodec *codec = avcodec_find_decoder(codec_context->codec_id);
if (!codec) {
g_warning("Unsupported audio codec\n");