📄 pmp_decode.c.svn-base
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/*
PMP Mod
Copyright (C) 2006 jonny
Homepage: http://jonny.leffe.dnsalias.com
E-mail: jonny@leffe.dnsalias.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
av decoding in a ring buffer
*/
#include "pmp_decode.h"
#include "me_boot_start.h"
#include "audio_util.h"
void pmp_decode_safe_constructor(struct pmp_decode_struct *p)
{
pmp_read_safe_constructor(&p->reader);
avc_safe_constructor(&p->avc);
mp4v_safe_constructor(&p->mp4v);
int i = 0;
for (; i < pmp_maximum_frame_buffers; i++)
{
p->video_frame_buffers[i] = 0;
p->audio_frame_buffers[i] = 0;
}
}
void pmp_decode_close(struct pmp_decode_struct *p, int pspType)
{
pmp_read_close(&p->reader);
if (p->video_format == 1)
avc_close(&p->avc);
else
mp4v_close(&p->mp4v);
if (p->audio_decoder == 0 )
audio_decoder_close();
int i = 0;
if (m33IsTVOutSupported(pspType))
{
for (; i < pmp_maximum_frame_buffers; i++)
{
if (p->audio_frame_buffers[i] != 0) free_64(p->audio_frame_buffers[i]);
}
}
else
{
for (; i < pmp_maximum_frame_buffers; i++)
{
if (p->video_frame_buffers[i] != 0) free_64(p->video_frame_buffers[i]);
if (p->audio_frame_buffers[i] != 0) free_64(p->audio_frame_buffers[i]);
}
}
pmp_decode_safe_constructor(p);
}
char *pmp_decode_open(struct pmp_decode_struct *p, char *s, int pspType, int tvAspectRatio, int tvWidth, int tvHeight, int videoMode)
{
pmp_decode_safe_constructor(p);
cpu_clock_set_maximum();
char *result = pmp_read_open(&p->reader, FF_INPUT_BUFFER_PADDING_SIZE, s);
if (result != 0)
{
pmp_decode_close(p, pspType);
return(result);
}
p->audio_frame_size = (p->reader.file.header.audio.scale << 1) << p->reader.file.header.audio.stereo;
p->video_format = p->reader.file.header.video.format;
me_boot_start(3);
if ( p->video_format == 1 )
result = avc_open(&p->avc, p->reader.file.maximum_packet_size);
else
result = mp4v_open(&p->mp4v);
if (result != 0)
{
pmp_decode_close(p, pspType);
return(result);
}
unsigned int display_width = p->reader.file.header.video.width;
unsigned int display_height = p->reader.file.header.video.height;
if (display_width == 720 && display_height == 480 ) {
display_width = 853;
}
aspect_ratio_struct_init(p->reader.file.header.video.width, p->reader.file.header.video.height, display_width, display_height, pspType, tvAspectRatio, tvWidth, tvHeight, videoMode);
//*/
if ( p->reader.file.header.audio.format == 0 )
p->audio_decoder = audio_decoder_open(0x1002, p->reader.file.header.audio.rate, p->reader.file.header.audio.scale, 0);
else if ( p->reader.file.header.audio.format == 1 )
p->audio_decoder = audio_decoder_open(0x1003, p->reader.file.header.audio.rate, p->reader.file.header.audio.scale, 0);
else if ( p->reader.file.header.audio.format == 2 || p->reader.file.header.audio.format == 21 || p->reader.file.header.audio.format == 22 ) {
if ( p->reader.file.header.audio.format == 2 )
p->audio_decoder = audio_decoder_open(0x1001, p->reader.file.header.audio.rate, p->reader.file.header.audio.scale, 384);
else if (p->reader.file.header.audio.format == 21)
p->audio_decoder = audio_decoder_open(0x1001, p->reader.file.header.audio.rate, p->reader.file.header.audio.scale, 304);
else if (p->reader.file.header.audio.format == 22)
p->audio_decoder = audio_decoder_open(0x1001, p->reader.file.header.audio.rate, p->reader.file.header.audio.scale, 192);
}
else
p->audio_decoder = -1;
if (p->audio_decoder == -1)
{
pmp_decode_close(p, pspType);
return("pmp_decode_open: avcodec_find_decoder failed on CODEC_ID_MP3");
}
//*/
cpu_clock_set_minimum();
int i = 0;
if (m33IsTVOutSupported(pspType))
{
p->output_texture_width = 768;
p->number_of_frame_buffers = 8;
i = 0;
for (; i < p->number_of_frame_buffers; i++)
{
p->video_frame_buffers[i] = (void*)(0x0a000000 + (i+1)*1572864); //p->video_frame_buffers[i] = (void*)(0x0a000000 + i*1572864);
memset(p->video_frame_buffers[i], 0, 1572864);
}
}
else
{
p->output_texture_width = 512;
p->number_of_frame_buffers = 0;
i = 0;
for (; i < pmp_maximum_frame_buffers; i++)
{
p->video_frame_buffers[i] = malloc_64(557056);
if (p->video_frame_buffers[i] == 0)
{
break;
}
memset(p->video_frame_buffers[i], 0, 557056);
p->number_of_frame_buffers ++;
}
if (p->number_of_frame_buffers < (pmp_number_of_free_video_frame_buffers + 4))
{
pmp_decode_close(p, pspType);
return("pmp_decode_open: number_of_frame_buffers < 4");
}
p->number_of_frame_buffers -= pmp_number_of_free_video_frame_buffers;
i = 0;
for (; i < pmp_number_of_free_video_frame_buffers; i++)
{
free_64(p->video_frame_buffers[p->number_of_frame_buffers + i]);
p->video_frame_buffers[p->number_of_frame_buffers + i] = 0;
}
}
i = 0;
for (; i <= p->number_of_frame_buffers; i++)
{
// p->audio_frame_buffers[p->number_of_frame_buffers] is a null buffer
p->audio_frame_buffers[i] = malloc_64(p->audio_frame_size * p->reader.file.header.audio.maximum_number_of_frames);
if (p->audio_frame_buffers[i] == 0)
{
pmp_decode_close(p, pspType);
return("pmp_decode_open: malloc_64 failed on audio_frame_buffers");
}
memset(p->audio_frame_buffers[i], 0, p->audio_frame_size * p->reader.file.header.audio.maximum_number_of_frames);
}
sceDisplayWaitVblankStart();
sceDisplaySetFrameBuf(p->video_frame_buffers[0], p->output_texture_width, PSP_DISPLAY_PIXEL_FORMAT_8888, PSP_DISPLAY_SETBUF_IMMEDIATE);
p->current_buffer_number = 0;
pmp_gu_init_previous_values();
return(0);
}
//modify by cooleyes 2007/02/01
char *pmp_decode_get(struct pmp_decode_struct *p, unsigned int frame_number, unsigned int audio_stream, int audio_channel, int decode_audio, unsigned int volume_boost, unsigned int aspect_ratio, unsigned int zoom, unsigned int luminosity_boost, unsigned int show_interface, unsigned int show_subtitle, unsigned int subtitle_format, unsigned int loop)
//char *pmp_decode_get(struct pmp_decode_struct *p, unsigned int frame_number, unsigned int audio_stream, int decode_audio, unsigned int volume_boost, unsigned int aspect_ratio, unsigned int zoom, unsigned int luminosity_boost, unsigned int show_interface, unsigned int show_subtitle, unsigned int subtitle_format, unsigned int loop)
//modify end
{
struct pmp_read_output_struct packet;
char *result = pmp_read_get(&p->reader, frame_number, audio_stream, &packet);
if (result != 0)
{
return(result);
}
sceKernelDcacheWritebackInvalidateAll();
int y_width, u_width, v_width, height;
if (p->video_format==1)
result = avc_get(&p->avc, packet.video_buffer, packet.video_length, pmp_gu_rgb_buffer);
else
result = mp4v_get_rgb(&p->mp4v, packet.video_buffer, packet.video_length, pmp_gu_rgb_buffer);
if (result != 0)
{
return(result);
}
if (show_interface == 1)
{
draw_interface
(
p->reader.file.header.video.scale,
p->reader.file.header.video.rate,
p->reader.file.header.video.number_of_frames,
frame_number,
aspect_ratio,
zoom,
luminosity_boost,
audio_stream,
volume_boost,
loop
);
}
sceKernelDcacheWritebackInvalidateAll();
//if (p->video_format==1)
// pmp_gu_draw(aspect_ratio, zoom, luminosity_boost, show_interface, show_subtitle, subtitle_format, frame_number, p->video_frame_buffers[p->current_buffer_number]);
//else
pmp_gu_draw(aspect_ratio, zoom, luminosity_boost, show_interface, show_subtitle, subtitle_format, frame_number, p->video_frame_buffers[p->current_buffer_number]);
p->output_frame_buffers[p->current_buffer_number].number_of_audio_frames = packet.number_of_audio_frames;
p->output_frame_buffers[p->current_buffer_number].first_delay = packet.first_delay;
p->output_frame_buffers[p->current_buffer_number].last_delay = packet.last_delay;
p->output_frame_buffers[p->current_buffer_number].video_frame = p->video_frame_buffers[p->current_buffer_number];
char *audio_result = 0;
if (packet.audio_buffer == 0 || decode_audio == 0)
{
p->output_frame_buffers[p->current_buffer_number].audio_frame = p->audio_frame_buffers[p->number_of_frame_buffers];
}
else
{
p->output_frame_buffers[p->current_buffer_number].audio_frame = p->audio_frame_buffers[p->current_buffer_number];
void *audio_buffer = packet.audio_buffer;
int i = 0;
for (; i < packet.number_of_audio_frames; i++)
{
int audio_length = packet.audio_length[i];
int audio_output_length;
if (audio_decoder_decode(p->audio_frame_buffers[p->current_buffer_number] + p->audio_frame_size * i, &audio_output_length, audio_buffer, audio_length) != audio_length)
{
audio_result = "pmp_decode_get: avcodec_decode_audio failed";
break;
}
audio_buffer += audio_length;
if (audio_output_length != p->audio_frame_size)
{
if (audio_output_length == 0)
{
}
else if (audio_output_length < p->audio_frame_size)
{
audio_result = "pmp_decode_get: audio_output_length < audio_frame_size";
break;
}
else if (audio_output_length > p->audio_frame_size)
{
audio_result = "pmp_decode_get: audio_output_length > audio_frame_size (severe error)";
break;
}
}
else
{
pcm_normalize(p->audio_frame_buffers[p->current_buffer_number] + p->audio_frame_size * i, p->reader.file.header.audio.scale << p->reader.file.header.audio.stereo);
pcm_select_channel(p->audio_frame_buffers[p->current_buffer_number] + p->audio_frame_size * i, p->reader.file.header.audio.scale << p->reader.file.header.audio.stereo, audio_channel);
}
}
}
pmp_gu_wait();
p->current_buffer_number = (p->current_buffer_number + 1) % p->number_of_frame_buffers;
sceKernelDcacheWritebackInvalidateAll();
return(audio_result);
}
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