Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

whitespace cosmetics: prettyprinting, K&R style

Browse Source 
Originally committed as revision 20313 to svn://svn.ffmpeg.org/ffmpeg/trunk
release/0.6
Diego Biurrun 15 years ago
parent 643fc8f107
commit 8767fb4cad
1 changed files with 78 additions and 80 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 158
      libavcodec/libtheoraenc.c

158
libavcodec/libtheoraenc.c
Unescape View File

@ -38,17 +38,19 @@
/* libtheora includes */
#include <theora/theora.h>
typedef struct TheoraContext{
typedef struct TheoraContext {
theora_state t_state;
} TheoraContext;
/*!
Concatenates an ogg_packet into the extradata.
*/
static int concatenate_packet(unsigned int* offset, AVCodecContext* avc_context, const ogg_packet* packet)
static int concatenate_packet(unsigned int* offset,
AVCodecContext* avc_context,
const ogg_packet* packet)
{
const char* message = NULL;
uint8_t* newdata = NULL;
uint8_t* newdata = NULL;
int newsize = avc_context->extradata_size + 2 + packet->bytes;
if (packet->bytes < 0) {
@ -67,11 +69,11 @@ static int concatenate_packet(unsigned int* offset, AVCodecContext* avc_context,
return -1;
}
avc_context->extradata = newdata;
avc_context->extradata = newdata;
avc_context->extradata_size = newsize;
AV_WB16(avc_context->extradata + (*offset), packet->bytes);
*offset += 2;
memcpy( avc_context->extradata + (*offset), packet->packet, packet->bytes );
memcpy(avc_context->extradata + (*offset), packet->packet, packet->bytes);
(*offset) += packet->bytes;
return 0;
}
@ -85,37 +87,37 @@ static av_cold int encode_init(AVCodecContext* avc_context)
TheoraContext *h = avc_context->priv_data;
/* Set up the theora_info struct */
theora_info_init( &t_info );
t_info.width = FFALIGN(avc_context->width, 16);
t_info.height = FFALIGN(avc_context->height, 16);
t_info.frame_width = avc_context->width;
theora_info_init(&t_info);
t_info.width = FFALIGN(avc_context->width, 16);
t_info.height = FFALIGN(avc_context->height, 16);
t_info.frame_width = avc_context->width;
t_info.frame_height = avc_context->height;
t_info.offset_x = 0;
t_info.offset_y = avc_context->height & 0xf;
t_info.offset_x = 0;
t_info.offset_y = avc_context->height & 0xf;
/* Swap numerator and denominator as time_base in AVCodecContext gives the
* time period between frames, but theora_info needs the framerate. */
t_info.fps_numerator = avc_context->time_base.den;
t_info.fps_numerator = avc_context->time_base.den;
t_info.fps_denominator = avc_context->time_base.num;
if (avc_context->sample_aspect_ratio.num != 0) {
t_info.aspect_numerator = avc_context->sample_aspect_ratio.num;
t_info.aspect_numerator = avc_context->sample_aspect_ratio.num;
t_info.aspect_denominator = avc_context->sample_aspect_ratio.den;
} else {
t_info.aspect_numerator = 1;
t_info.aspect_numerator = 1;
t_info.aspect_denominator = 1;
}
t_info.colorspace = OC_CS_UNSPECIFIED;
t_info.pixelformat = OC_PF_420;
t_info.keyframe_frequency = avc_context->gop_size;
t_info.colorspace = OC_CS_UNSPECIFIED;
t_info.pixelformat = OC_PF_420;
t_info.keyframe_frequency = avc_context->gop_size;
t_info.keyframe_frequency_force = avc_context->gop_size;
t_info.keyframe_mindistance = avc_context->keyint_min;
t_info.keyframe_mindistance = avc_context->keyint_min;
t_info.quick_p = 1;
t_info.dropframes_p = 0;
t_info.keyframe_auto_p = 1;
t_info.quick_p = 1;
t_info.dropframes_p = 0;
t_info.keyframe_auto_p = 1;
t_info.keyframe_data_target_bitrate = t_info.target_bitrate * 1.5;
t_info.keyframe_auto_threshold = 80;
t_info.noise_sensitivity = 1;
t_info.sharpness = 0;
t_info.keyframe_auto_threshold = 80;
t_info.noise_sensitivity = 1;
t_info.sharpness = 0;
if (avc_context->flags & CODEC_FLAG_QSCALE) {
/* to be constant with the libvorbis implementation, clip global_quality to 0 - 10
@ -123,21 +125,21 @@ static av_cold int encode_init(AVCodecContext* avc_context)
* 0 <= p <=63
* an int value
*/
t_info.quality = av_clip(avc_context->global_quality / (float)FF_QP2LAMBDA, 0, 10) * 6.3;
t_info.quality = av_clip(avc_context->global_quality / (float)FF_QP2LAMBDA, 0, 10) * 6.3;
t_info.target_bitrate = 0;
} else {
t_info.target_bitrate = avc_context->bit_rate;
t_info.quality = 0;
t_info.quality = 0;
}
/* Now initialise libtheora */
if (theora_encode_init( &(h->t_state), &t_info ) != 0) {
if (theora_encode_init(&(h->t_state), &t_info) != 0) {
av_log(avc_context, AV_LOG_ERROR, "theora_encode_init failed\n");
return -1;
}
/* Clear up theora_info struct */
theora_info_clear( &t_info );
theora_info_clear(&t_info);
/*
Output first header packet consisting of theora
@ -149,24 +151,24 @@ static av_cold int encode_init(AVCodecContext* avc_context)
offset = 0;
/* Header */
theora_encode_header( &(h->t_state), &o_packet );
if (concatenate_packet( &offset, avc_context, &o_packet ) != 0)
theora_encode_header(&(h->t_state), &o_packet);
if (concatenate_packet(&offset, avc_context, &o_packet) != 0)
return -1;
/* Comment */
theora_comment_init( &t_comment );
theora_encode_comment( &t_comment, &o_packet );
if (concatenate_packet( &offset, avc_context, &o_packet ) != 0)
theora_comment_init(&t_comment);
theora_encode_comment(&t_comment, &o_packet);
if (concatenate_packet(&offset, avc_context, &o_packet) != 0)
return -1;
/* Clear up theora_comment struct before we reset the packet */
theora_comment_clear( &t_comment );
theora_comment_clear(&t_comment);
/* And despite documentation to the contrary, theora_comment_clear
* does not release the packet */
ogg_packet_clear(&o_packet);
/* Tables */
theora_encode_tables( &(h->t_state), &o_packet );
if (concatenate_packet( &offset, avc_context, &o_packet ) != 0)
theora_encode_tables(&(h->t_state), &o_packet);
if (concatenate_packet(&offset, avc_context, &o_packet) != 0)
return -1;
/* Set up the output AVFrame */
@ -175,11 +177,8 @@ static av_cold int encode_init(AVCodecContext* avc_context)
return 0;
}
static int encode_frame(
AVCodecContext* avc_context,
uint8_t *outbuf,
int buf_size,
void *data)
static int encode_frame(AVCodecContext* avc_context, uint8_t *outbuf,
int buf_size, void *data)
{
yuv_buffer t_yuv_buffer;
TheoraContext *h = avc_context->priv_data;
@ -195,10 +194,10 @@ static int encode_frame(
return -1;
}
t_yuv_buffer.y_width = FFALIGN(avc_context->width, 16);
t_yuv_buffer.y_height = FFALIGN(avc_context->height, 16);
t_yuv_buffer.y_stride = frame->linesize[0];
t_yuv_buffer.uv_width = t_yuv_buffer.y_width / 2;
t_yuv_buffer.y_width = FFALIGN(avc_context->width, 16);
t_yuv_buffer.y_height = FFALIGN(avc_context->height, 16);
t_yuv_buffer.y_stride = frame->linesize[0];
t_yuv_buffer.uv_width = t_yuv_buffer.y_width / 2;
t_yuv_buffer.uv_height = t_yuv_buffer.y_height / 2;
t_yuv_buffer.uv_stride = frame->linesize[1];
@ -207,36 +206,36 @@ static int encode_frame(
t_yuv_buffer.v = frame->data[2];
/* Now call into theora_encode_YUVin */
result = theora_encode_YUVin( &(h->t_state), &t_yuv_buffer );
result = theora_encode_YUVin(&(h->t_state), &t_yuv_buffer);
if (result != 0) {
const char* message;
switch (result) {
case -1:
message = "differing frame sizes";
break;
case OC_EINVAL:
message = "encoder is not ready or is finished";
break;
default:
message = "unknown reason";
break;
case -1:
message = "differing frame sizes";
break;
case OC_EINVAL:
message = "encoder is not ready or is finished";
break;
default:
message = "unknown reason";
break;
}
av_log(avc_context, AV_LOG_ERROR, "theora_encode_YUVin failed (%s) [%d]\n", message, result);
return -1;
}
/* Pick up returned ogg_packet */
result = theora_encode_packetout( &(h->t_state), 0, &o_packet );
result = theora_encode_packetout(&(h->t_state), 0, &o_packet);
switch (result) {
case 0:
/* No packet is ready */
return 0;
case 1:
/* Success, we have a packet */
break;
default:
av_log(avc_context, AV_LOG_ERROR, "theora_encode_packetout failed [%d]\n", result);
return -1;
case 0:
/* No packet is ready */
return 0;
case 1:
/* Success, we have a packet */
break;
default:
av_log(avc_context, AV_LOG_ERROR, "theora_encode_packetout failed [%d]\n", result);
return -1;
}
/* Copy ogg_packet content out to buffer */
@ -247,7 +246,7 @@ static int encode_frame(
memcpy(outbuf, o_packet.packet, o_packet.bytes);
// HACK: does not take codec delay into account (neither does the decoder though)
avc_context->coded_frame->pts= frame->pts;
avc_context->coded_frame->pts = frame->pts;
return o_packet.bytes;
}
@ -259,23 +258,23 @@ static av_cold int encode_close(AVCodecContext* avc_context)
int result;
const char* message;
result = theora_encode_packetout( &(h->t_state), 1, &o_packet );
theora_clear( &(h->t_state) );
result = theora_encode_packetout(&(h->t_state), 1, &o_packet);
theora_clear(&(h->t_state));
av_freep(&avc_context->coded_frame);
av_freep(&avc_context->extradata);
avc_context->extradata_size = 0;
switch (result) {
case 0:/* No packet is ready */
case -1:/* Encoding finished */
return 0;
case 1:
/* We have a packet */
message = "gave us a packet";
break;
default:
message = "unknown reason";
break;
case 0: /* No packet is ready */
case -1: /* Encoding finished */
return 0;
case 1:
/* We have a packet */
message = "gave us a packet";
break;
default:
message = "unknown reason";
break;
}
av_log(avc_context, AV_LOG_ERROR, "theora_encode_packetout failed (%s) [%d]\n", message, result);
return -1;
@ -284,8 +283,7 @@ static av_cold int encode_close(AVCodecContext* avc_context)
static const enum PixelFormat supported_pixel_formats[] = { PIX_FMT_YUV420P, PIX_FMT_NONE };
/*! AVCodec struct exposed to libavcodec */
AVCodec libtheora_encoder =
{
AVCodec libtheora_encoder = {
.name = "libtheora",
.type = CODEC_TYPE_VIDEO,
.id = CODEC_ID_THEORA,

Write Preview
Loading…
Cancel
Save