virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-08 13:22:53 +02:00
Code Issues Releases Activity

doc/examples/transcode_aac: replace local get_error_text with av_err2str

Browse Source
This commit is contained in:
Clément Bœsch 2017-04-01 12:45:33 +02:00
parent 147c5ff11c
commit e181e2909b
1 changed files with 14 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
doc/examples/transcode_aac.c
View File

@ -45,18 +45,6 @@
/** The number of output channels */
#define OUTPUT_CHANNELS 2
/**
* Convert an error code into a text message.
* @param error Error code to be converted
* @return Corresponding error text (not thread-safe)
*/
static const char *get_error_text(const int error)
{
static char error_buffer[255];
av_strerror(error, error_buffer, sizeof(error_buffer));
return error_buffer;
}
/** Open an input file and the required decoder. */
static int open_input_file(const char *filename,
AVFormatContext **input_format_context,
@ -70,7 +58,7 @@ static int open_input_file(const char *filename,
if ((error = avformat_open_input(input_format_context, filename, NULL,
NULL)) < 0) {
fprintf(stderr, "Could not open input file '%s' (error '%s')\n",
filename, get_error_text(error));
filename, av_err2str(error));
*input_format_context = NULL;
return error;
}
@ -78,7 +66,7 @@ static int open_input_file(const char *filename,
/** Get information on the input file (number of streams etc.). */
if ((error = avformat_find_stream_info(*input_format_context, NULL)) < 0) {
fprintf(stderr, "Could not open find stream info (error '%s')\n",
get_error_text(error));
av_err2str(error));
avformat_close_input(input_format_context);
return error;
}
@ -117,7 +105,7 @@ static int open_input_file(const char *filename,
/** Open the decoder for the audio stream to use it later. */
if ((error = avcodec_open2(avctx, input_codec, NULL)) < 0) {
fprintf(stderr, "Could not open input codec (error '%s')\n",
get_error_text(error));
av_err2str(error));
avcodec_free_context(&avctx);
avformat_close_input(input_format_context);
return error;
@ -149,7 +137,7 @@ static int open_output_file(const char *filename,
if ((error = avio_open(&output_io_context, filename,
AVIO_FLAG_WRITE)) < 0) {
fprintf(stderr, "Could not open output file '%s' (error '%s')\n",
filename, get_error_text(error));
filename, av_err2str(error));
return error;
}
@ -219,7 +207,7 @@ static int open_output_file(const char *filename,
/** Open the encoder for the audio stream to use it later. */
if ((error = avcodec_open2(avctx, output_codec, NULL)) < 0) {
fprintf(stderr, "Could not open output codec (error '%s')\n",
get_error_text(error));
av_err2str(error));
goto cleanup;
}
@ -325,7 +313,7 @@ static int write_output_file_header(AVFormatContext *output_format_context)
int error;
if ((error = avformat_write_header(output_format_context, NULL)) < 0) {
fprintf(stderr, "Could not write output file header (error '%s')\n",
get_error_text(error));
av_err2str(error));
return error;
}
return 0;
@ -349,7 +337,7 @@ static int decode_audio_frame(AVFrame *frame,
*finished = 1;
else {
fprintf(stderr, "Could not read frame (error '%s')\n",
get_error_text(error));
av_err2str(error));
return error;
}
}
@ -363,7 +351,7 @@ static int decode_audio_frame(AVFrame *frame,
if ((error = avcodec_decode_audio4(input_codec_context, frame,
data_present, &input_packet)) < 0) {
fprintf(stderr, "Could not decode frame (error '%s')\n",
get_error_text(error));
av_err2str(error));
av_packet_unref(&input_packet);
return error;
}
@ -410,7 +398,7 @@ static int init_converted_samples(uint8_t ***converted_input_samples,
output_codec_context->sample_fmt, 0)) < 0) {
fprintf(stderr,
"Could not allocate converted input samples (error '%s')\n",
get_error_text(error));
av_err2str(error));
av_freep(&(*converted_input_samples)[0]);
free(*converted_input_samples);
return error;
@ -434,7 +422,7 @@ static int convert_samples(const uint8_t **input_data,
converted_data, frame_size,
input_data , frame_size)) < 0) {
fprintf(stderr, "Could not convert input samples (error '%s')\n",
get_error_text(error));
av_err2str(error));
return error;
}
@ -567,7 +555,7 @@ static int init_output_frame(AVFrame **frame,
*/
if ((error = av_frame_get_buffer(*frame, 0)) < 0) {
fprintf(stderr, "Could not allocate output frame samples (error '%s')\n",
get_error_text(error));
av_err2str(error));
av_frame_free(frame);
return error;
}
@ -602,7 +590,7 @@ static int encode_audio_frame(AVFrame *frame,
if ((error = avcodec_encode_audio2(output_codec_context, &output_packet,
frame, data_present)) < 0) {
fprintf(stderr, "Could not encode frame (error '%s')\n",
get_error_text(error));
av_err2str(error));
av_packet_unref(&output_packet);
return error;
}
@ -611,7 +599,7 @@ static int encode_audio_frame(AVFrame *frame,
if (*data_present) {
if ((error = av_write_frame(output_format_context, &output_packet)) < 0) {
fprintf(stderr, "Could not write frame (error '%s')\n",
get_error_text(error));
av_err2str(error));
av_packet_unref(&output_packet);
return error;
}
@ -671,7 +659,7 @@ static int write_output_file_trailer(AVFormatContext *output_format_context)
int error;
if ((error = av_write_trailer(output_format_context)) < 0) {
fprintf(stderr, "Could not write output file trailer (error '%s')\n",
get_error_text(error));
av_err2str(error));
return error;
}
return 0;